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Percentage Calculator

Calculate percentages instantly: find X% of Y, determine what percent X is of Y, or compute the percentage change between two values.

FreeNo SignupNo Server UploadsZero Tracking

25% of 200 =

50.00

How to Use Percentage Calculator

  1. 1

    Choose a mode

    Select the type of percentage calculation you need from the three tabs.

  2. 2

    Enter values

    Enter the numbers for your calculation.

  3. 3

    See the result

    The answer updates instantly as you type.

Frequently Asked Questions

To find X% of Y, multiply Y by X and divide by 100. For example, 25% of 200 = 200 x 25 / 100 = 50.

Percentage change = ((New Value - Old Value) / |Old Value|) x 100. A positive result means an increase, negative means a decrease.

A percentage is a fraction of 100 (like 25% = 25/100). A percentile indicates a position in a ranked dataset. For example, the 90th percentile means you scored higher than 90% of the group.