Percentage Calculator

Calculate percentages, percentage changes, and discounts.

Calculation Type

What is X% of Y?

Percentage (%)

Of Number

Result

Example: 25% of 200 = 50

X is what % of Y?

Value X

Of Total Y

Result (%)

Example: 50 is what % of 200 = 25%

Percentage Change from X to Y

From Value

To Value

Change (%)

Example: From 100 to 150 = +50% increase

Increase/Decrease X by Y%

Original Value

By % (use - for decrease)

Result

Example: 100 increased by 20% = 120

X is Y% of what number?

Value X

Is % Of Total

Total

Example: 50 is 25% of 200

Quick Reference

● What is 20% of 100? = 20

● 20 is what % of 100? = 20%

● 100 to 150 = +50% change

● 100 to 50 = -50% change

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Features

Free to use
No registration
Privacy protected
Works offline