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Percentage Calculator
The three percentage questions you actually use: what is X% of a number, what percent one number is of another, and the percent change between two numbers. Instant, no signup.
Percentage
Every percentage question, one tool.
The three you actually use: what is X% of a number, what percent one number is of another, and the percent change between two numbers.
1 · What is X% of a number
2 · X is what percent of Y
3 · Percent change
→ Answers
15% of 200
30
45 is what % of 180
25%
Change from 120 to 150
increase
+25%
Math: of = X% × Y · is = X ÷ Y · change = (new − old) ÷ old
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