Percentage Calculator
Quickly calculate percentages, increases, decreases, and percent differences.
What is X% of Y?
What is % of ? = 30
X is what percent of Y?
is what % of ? = 20%
Percent change from X to Y
From to is a change of = +25%
Frequently asked questions
What’s the difference between "percent change" and "percent of"?+
"X is what % of Y" answers a share question. "Percent change from X to Y" tells you how much a value grew or shrank, as a signed percentage.
Is my data sent anywhere?+
No — every calculation happens locally in your browser.