Percentage Calculator

Online calculator for calculate a percentage of a number, find what percentage one number is of another, and calculate the percentage increase or decrease between two values

Result
Formula: (Percentage ÷ 100) × Number
Result
Formula: (Part ÷ Whole) × 100
Formula: ((New Value - Original Value) ÷ Original Value) × 100

Calculate percentage values, discover what proportion one number is of another, and assess the percentage variations between values.

Key Features

  • What is X% of Y? - Calculate a percentage of a number (e.g., What is 25% of 200? = 50)
  • X is what % of Y? - Find what percentage one number is of another (e.g., 50 is what % of 200? = 25%)
  • Percentage Change - Calculate the percentage increase or decrease between two values (e.g., from 100 to 150 = 50% increase)