Percentage Calculator

Calculate percentages, percentage differences, percentage changes, and solve common percentage problems. Versatile tool for business, education, and everyday calculations.

% of=

Instructions:

  • Enter any two values and leave the third blank
  • Examples: "25% of 200 = ?", "? % of 150 = 30", "15% of ? = 45"

Percentage Calculator in Common Phrases

what is% of
is what % of
is% of what

Percentage Difference Calculator

About Percentage Difference:

Percentage difference measures the relative difference between two values as a percentage of their average. It's calculated as: |Value1 - Value2| ÷ ((Value1 + Value2) ÷ 2) × 100

Percentage Change Calculator

Please provide any two values below and click the "Calculate" button to get the third value.

% =

Instructions:

  • Enter any two values and leave the third blank
  • Examples: "100 increase 25% = ?", "? decrease 10% = 90", "80 increase ? % = 100"

About Percentage Change:

Percentage increase/decrease calculates how much a value has changed relative to its original value. For increase: New Value = Original × (1 + percentage/100) For decrease: New Value = Original × (1 - percentage/100)

Frequently Asked Questions About Percentage Calculations