Percentage Calculator
Calculate percentages, increases, and decreases.
What is X% of Y?
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X is what % of Y?
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Percentage Change
FAQ
To find X% of Y, multiply Y by X/100. For example, 20% of 50 is 50 × 0.20 = 10.
Percentage increase adds to the original, while decrease subtracts. Both are calculated as (change/original) × 100.