Percentage Calculator

Calculate percentages, increases, and decreases easily

What Percentage is X of Y?

📊 Percentage Calculator Types

  • What % is X of Y: Calculate what percentage one number is of another
  • Percentage Increase: Calculate the percentage increase from original to new value
  • Percentage Decrease: Calculate the percentage decrease from original to new value
  • Value from %: Calculate the actual value from a percentage of a total

🧮 Formulas Used

  • Percentage Of: (X / Y) × 100
  • Percentage Increase: ((New - Original) / Original) × 100
  • Percentage Decrease: ((Original - New) / Original) × 100
  • Value from Percentage: (Percentage / 100) × Total

💡 Examples

  • 25 is what % of 100? Answer: 25%
  • Increase from 100 to 150: Answer: 50% increase
  • Decrease from 200 to 150: Answer: 25% decrease
  • 20% of 500: Answer: 100