Calculator

Percentage Calculator

Calculate percentage of a number, percentage change, percentage increase, percentage decrease, and what percent one number is of another.

Calculate percentages

Choose a calculation type, enter the values, then calculate. This tool supports common percentage problems used for discounts, markups, increases, decreases, comparisons, and everyday math.

Result

Enter values to calculate.

What each mode does

Mode Example
What is X% of Y? 20% of 150 = 30
X is what percent of Y? 30 is 20% of 150
Percentage change from X to Y 100 to 125 = 25% increase
Increase X by Y% 100 increased by 15% = 115
Decrease X by Y% 100 decreased by 15% = 85

About this percentage calculator

This percentage calculator helps solve common percent problems quickly. It can calculate a percent of a number, compare one number to another, calculate percentage change, and apply percentage increases or decreases.

Percent of a number

Use this when you need to find part of a total, such as 20% of 150, a discount amount, a tax estimate, or a portion of a budget.

Percentage change

Use percentage change to compare an old value to a new value. Positive results show an increase, and negative results show a decrease.

Increase or decrease

Use the increase and decrease modes for price changes, markups, discounts, raises, reductions, and quick planning estimates.

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