Percentage Calculator

Calculate percentages, increase/decrease, and percentage differences

What is X% of Y?

Result:

0

X is what % of Y?

Result:

0%

Percentage Change

Percentage Change:

0%

Percentage Difference

Percentage Difference:

0%

How to Use This Calculator

What is X% of Y?

Calculate a percentage of a number. For example, "What is 25% of 200?"

Example: 25% of 200 = 50
Formula: (25 ÷ 100) × 200 = 50
X is what % of Y?

Find what percentage one number is of another. For example, "50 is what percent of 200?"

Example: 50 is 25% of 200
Formula: (50 ÷ 200) × 100 = 25%
Percentage Change

Calculate percentage increase or decrease between two values.

Example: From 100 to 150 = +50% increase
Formula: ((150 - 100) ÷ 100) × 100 = 50%
Percentage Difference

Find the percentage difference between two values (absolute).

Example: Between 100 and 120 = 18.18%
Formula: |120 - 100| ÷ ((120 + 100) ÷ 2) × 100
Common Uses
  • Calculate discounts and sales prices
  • Determine tax amounts
  • Calculate tips in restaurants
  • Analyze business growth rates
  • Compare price changes
  • Calculate grade percentages

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