Percentage Calculator
Simple percentage calculator: find X% of Y, what percentage A is of B, and percentage increase or decrease.
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What is X% of Y?
Result30.00
A is what % of B?
Result25.00%
% increase / decrease
Change25.00%
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About this calculator
Three of the most common percentage questions, in one place: what is X% of Y, what percentage is A of B, and the percentage change from one number to another.
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Frequently asked questions
How do I calculate a percentage increase?+
Subtract the old number from the new, divide by the old, then multiply by 100.
Is a negative percentage a decrease?+
Yes — a negative percentage means the value has gone down.
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