Percentage
Calculator

Calculate percentages instantly: find X% of Y, what percent X is of Y, the whole from a part and percent, or percentage change between two values.

What is X% of Y?

X is what % of Y?

X is Y% of what?

Percentage change from X to Y

Learn more

Why is 'percent' just a fraction with denominator 100?

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Frequently Asked Questions

Divide the part by the whole and multiply by 100. For example, 25 out of 200 equals 12.5 percent.

Subtract the original value from the new value, divide the result by the original value, and multiply by 100. A change from 80 to 100 is a 25 percent increase.

Divide the result by the percentage expressed as a decimal. If 80 is 40% of a number, divide 80 by 0.40 to get the original value of 200.

Percentage Calculator - Calculate Percentages Online | ToolsCanvas