Percentage Calculator
Quick percentage calculations for everyday use
What is X% of Y?
Find the percentage of a number
20
X is what % of Y?
Find the percentage ratio
12.5%
Percentage Change
Calculate increase or decrease
+50%
Use our free percentage calculator for quick percentage calculations. Find what percent of a number is, calculate percentage ratios, and determine percentage increase or decrease between two values. Perfect for discounts, tips, grades, and financial calculations. All processing is client-side and private.