Percentage Calculator

Calculate percentages, increases, decreases, and more

Basic Percentage: What is X% of Y?

Example: What is 20% of 150?

Solution: 20% × 150 = 30

Visualization

20%

Percentage

20%

Result

30

Common Percentages Reference

1% = 0.01
5% = 0.05
10% = 0.1
20% = 0.2
25% = 0.25
50% = 0.5
75% = 0.75
100% = 1.0

Percentage is a number or ratio expressed as a fraction of 100.

How to use the Percentage Calculator

Compute percentages, increases, decreases and differences in seconds.

  1. 1Choose the calculation type (X% of Y, increase, decrease, difference).
  2. 2Enter the required values.
  3. 3Read the result instantly.

Frequently Asked Questions

Q1. Can I calculate percentage change?

Yes — use the increase/decrease mode for before/after comparisons.

Q2. Is it free?

Yes, fully free and runs in your browser.

Sarkari Tool is free to use. All processing happens locally in your browser — your files never leave your device.