Percentage Calculator

Percentage Formulas:

• Find X% of Y:
  Result = (X / 100) × Y
  Example: 25% of 200 = (25 / 100) × 200 = 50
• Find what percent X is of Y:
  Result = (X / Y) × 100
  Example: 50 is what % of 200? = (50 / 200) × 100 = 25%
• Find percentage increase/decrease:
  Result = ((Final - Initial) / |Initial|) × 100
  Example: % change from 100 to 125 = ((125 - 100) / 100) × 100 = 25%