Tools
Numbers & Dates
Percentage Calculator
% of a number · X is what % of Y · % change
What is X% of Y?
e.g. 20% of 500 = 100
X is what % of Y?
e.g. 50 out of 200 = 25%
% change from X to Y
e.g. 100 → 150 = +50%
Result appears here
How it works
What is X% of Y?
What is 20% of 500?
Result = (X ÷ 100) × Y
- 1.Divide X by 100
- 2.Multiply by Y
(20 ÷ 100) × 500 = 100
X is what % of Y?
50 is what % of 200?
Result = (X ÷ Y) × 100
- 1.Divide X by Y
- 2.Multiply by 100
(50 ÷ 200) × 100 = 25%
% change from X to Y
Change from 100 to 150?
Result = ((Y − X) ÷ X) × 100
- 1.Subtract X from Y
- 2.Divide by X
- 3.Multiply by 100
((150 − 100) ÷ 100) × 100 = +50%