Calculate percentages instantly with 3 different modes.
Our free percentage calculator handles all percentage calculations instantly. Whether you need to find what percent of a number is, calculate percentage increase or decrease, or find what percentage one number is of another.
What is X% of Y? Formula: (X ÷ 100) × Y
X is what % of Y? Formula: (X ÷ Y) × 100
Percentage Change: Formula: ((New − Old) ÷ Old) × 100
Divide the part by the whole and multiply by 100. For example, 25/200 × 100 = 12.5%.
Subtract the old value from the new value, divide by the old value, then multiply by 100.
Yes, 100% free with no registration required.
Three modes: what is X% of Y, X is what % of Y, and percentage increase/decrease.
Yes, fully responsive on all devices.