Lifestyle
Percentage Calculator
The fastest way to do everyday percentage math. Switch between three of the most-used operations — what's X% of Y, what percentage X is of Y, and the percentage change between two numbers.
Result
30
20% of 150
X% of Y
Quickly switch between three of the most useful percentage operations.
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Frequently asked
- What if Y is zero?
- Division by zero is undefined — the result will show '—'. Pick non-zero numbers to compute a percentage.
- Does the % change handle negatives?
- Yes — the formula is (Y − X) / X. Negative results indicate a decrease.
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