Percentage Calculator
Work out percentages and percentage change quickly. Results update as you type.
What is X% of Y?
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X is what percent of Y?
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Percentage change from X to Y
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How percentages work
A percentage is a fraction out of 100. To find X% of Y, multiply Y by X and divide by 100. To find what percent X is of Y, divide X by Y and multiply by 100. Percentage change is the difference between the new and old values, divided by the old value.