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Calctive

Percentage Calculator

Calculate percentages, percentage change, percentage increase/decrease, and percentage difference. Fast, accurate, and easy to use percentage calculator for all your math needs.

Input Values

💡Quick Tips

  • •Use this to calculate tips, discounts, and tax amounts
  • •Example: 15% of 200 = 30 (like a 15% tip on a $200 bill)
  • •Formula: (Percentage ÷ 100) × Number = Result

Results

LIVE

Enter values and calculate

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How to Use

  1. 1Select your calculation mode from the tabs (What is %, Is what %, Change %, or Difference %)
  2. 2Enter the required numbers based on the selected mode
  3. 3Click Calculate to see the result instantly
  4. 4View the formula and explanation for each calculation
  5. 5Switch between modes to perform different percentage calculations
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Formula

Mode 1 (What is X% of Y?): Result = (X / 100) × Y

Mode 2 (X is what % of Y?): Result = (X / Y) × 100

Mode 3 (Percentage Change): Result = ((New - Old) / Old) × 100

Mode 4 (Percentage Difference): Result = (|V2 - V1| / ((V1 + V2) / 2)) × 100
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Common Use Cases

Calculate 15% of 200 (tip calculation)
Find what percentage 30 is of 200 (test score)
Calculate percentage increase from 100 to 150 (sales growth)
Find percentage difference between 100 and 120 (price comparison)