Percentage Calculator

Calculate percentages instantly. Find what is X% of Y, percentage change and more.

Free
No registration
Instant results
Mobile friendly

How to use

1
Enter value
2
Calculate
3
Copy

Formula & methodology

X% of Y = Y × X÷100 · X is what % of Y = (X÷Y) × 100 · % change from X to Y = (Y−X)÷X × 100

Frequently Asked Questions
Yes, completely free. No registration required.
Yes, fully optimized for all devices.
Results are calculated with high precision.