Choose what you want to calculate: X% of Y, X is what % of Y, or percentage change.
Enter the two numbers based on the selected mode.
Click Calculate to get your percentage result.
Read the clear result showing the exact percentage and whether it is an increase or decrease.
All calculations and data stay in your browser. Nothing is uploaded or stored.
Get instant, precise results with no waiting. Just input and calculate.
No registration, no fees, no daily limits. Use any tool as often as you need.
Fully responsive. Works on desktop, tablet, iPhone, and Android.
It supports three modes: finding what X% of Y is, calculating what percent X is of Y, and computing the percentage change from X to Y.
Yes. Use the X% of Y mode for discounts, tips, tax calculations, and any scenario requiring a percentage of a number.
The tool subtracts the old value from the new, divides by the absolute old value, and multiplies by 100. It shows whether it is an increase or decrease.