Percentage Calculator

Calculate percentages, percentage of a number, and percentage change (increase or decrease) — instantly and free.

20% of 150

30

Quick formulas: X% of Y = (X × Y) / 100 · X is what % of Y = (X / Y) × 100 · % change = ((New − Old) / Old) × 100.

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Three Percentage Modes

  • X% of Y — what is 20% of 150? Answer: 30
  • X is what % of Y — 30 is what % of 150? Answer: 20%
  • % Increase / Decrease — change from 200 to 250 = +25%

Percentage Formulas

  • Percentage of a number: (X × Y) / 100
  • What % is X of Y: (X / Y) × 100
  • Percentage change: ((New − Old) / Old) × 100

Real-Life Uses

  • Calculating discounts (e.g. 30% off ₹1,499)
  • Tax and GST (see our GST Calculator)
  • Exam marks and grade percentages
  • Salary hikes, profit margins and growth rates
  • Interest, tips and EMI calculations

More money calculators:Tip Calculator,SIP Calculator,Compound Interest.