Percentage Calculator

Calculate percentages, percentage increases, decreases, and solve percentage problems

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Percentage Learning & Tips

  • Percent means "per hundred". 25% = 25 out of 100.
  • To find X% of Y, multiply Y by X and divide by 100.
  • Percentage change = (New - Old) / Old × 100%
  • Percentage points are different from percent change!
  • Use the tabs above for different types of percentage calculations.