Percentage Return Calculator

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Percentage return

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What is Percentage Return?

The Percentage Return Calculator compares what came back from an investment with the amount originally put in. It reports the gain or loss in money terms and expresses that change as a percentage of the starting amount. This is a simple holding-period calculation: it answers how much the value changed over the period represented by the two entries.

The percentage is useful because it puts differently sized investments on a common scale. A gain of 200 on an investment of 1,000 is 20%, while the same 200 gain on 4,000 is only 5%.

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How to Use This Calculator

Enter the amount originally invested and select its currency. The starting amount must be greater than zero because it is the denominator of the percentage calculation. Next, enter the total amount returned at the end of the period. A returned amount of zero is allowed and represents a complete loss of the entered investment.

Select the same currency beside both amounts. The calculator does not look up exchange rates, so comparing dollars with euros would not describe an investment return. Choose Calculate to see the profit or loss, percentage return, result type and currency.

Decide what belongs in the returned amount before entering it. For a simple buy-and-sell example, it may be the sale proceeds. If dividends or other distributions should count, add them consistently to the ending proceeds. Deduct fees and taxes first only when you want an after-cost result and have the relevant figures.

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Formula Used

Profit or loss = returned amount − invested amount

Percentage return = (profit or loss ÷ invested amount) × 100

A positive percentage is a gain, a negative percentage is a loss, and zero means break-even. This is a one-period arithmetic return rather than an annualized, compound or internal rate of return.

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Variables Explained

Entry or resultMeaningRequired convention
Invested amountCapital at the beginning of the measured periodPositive amount in the selected currency
Returned amountTotal ending proceeds included in the comparisonZero or more, using the same currency
Profit or lossDifference between returned and invested amountsNegative values indicate a loss
Percentage returnDifference divided by the invested amountReported as a percentage

The word returned does not automatically mean cash already withdrawn. It is simply the ending amount used in this two-value comparison. For an asset still owned, a current value can serve as the ending amount, but that creates an unrealized estimate rather than a completed transaction result.

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Worked Example

Suppose 1,000 USD was invested and the total ending proceeds are 1,200 USD. The money gain is 1,200 − 1,000 = 200 USD. Divide 200 by the original 1,000 and multiply by 100:

(200 ÷ 1,000) × 100 = 20%

The page therefore reports a profit of 200, a percentage return of 20% and the type “profit.” If the returned amount were 750 instead, the difference would be −250 and the percentage return would be −25%. If it were zero, the result would be −100%, representing loss of the full entered amount.

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Why Use This Calculator?

A 20% result says the included ending proceeds are one-fifth greater than the starting capital. It does not say whether that performance was fast, slow, risky or repeatable. Twenty percent earned over one month and twenty percent earned over five years have the same simple result here but very different time meaning.

Use the figure to compare records only when their boundaries are consistent. Include or exclude dividends, fees, tax and added capital in the same way for each comparison. Deposits or withdrawals during the period cannot be handled accurately by treating the final balance as if it came only from investment performance. A time-weighted or money-weighted method may be more suitable for those records.

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Common Mistakes

    • Entering only the gain as the returned amount. If 1,000 becomes 1,200, enter 1,200 rather than 200.
    • Using different currencies without converting one amount first.
    • Calling the result annual return when the dates do not cover exactly one year and no annualization was performed.
    • Ignoring a deposit made during the period, which can make account growth look like investment performance.
    • Comparing a pre-fee result with an after-fee result as though they use the same basis.
    • Dropping the negative sign on a loss.
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Frequently Asked Questions

Can the returned amount be zero?

Yes. Zero means none of the entered starting capital remains in the ending proceeds. With a positive invested amount, the calculator reports a −100% return. It does not accept a zero starting amount because percentage return would then have no valid denominator.

Should dividends be included?

Include dividends when your goal is total holding-period return and add them to the ending proceeds consistently. Leave them out only when you intentionally want price change alone. Label the result so a later comparison uses the same convention.

Does this page calculate annualized return?

No. It has no start date, end date or number-of-years input. The displayed percentage covers whatever interval your two amounts represent. Converting it to a yearly rate requires the elapsed time and a suitable annualization method.

How should I handle fees?

For an after-fee result, subtract transaction and account charges from the proceeds or otherwise use balances that already include them. For a before-fee comparison, leave them out of both records. Mixing the two treatments makes comparisons misleading.

Can I compare two different currencies?

Not directly. The page requires matching currency selections and performs no exchange-rate conversion. Convert both amounts to one currency using an appropriate rate for your analysis before calculating.

Why is account growth not always investment return?

Money added by the owner increases the ending balance without being a gain produced by the investment. Withdrawals can reduce the balance even during profitable performance. This two-entry calculator cannot separate those mid-period cash flows.

Does a positive return mean the investment was a good choice?

Not by itself. The result omits elapsed time, inflation, uncertainty, liquidity and alternative opportunities. Use it as a clear description of the entered values, then consider those other factors separately.

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Sources & References

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