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Percentage Calculator

Calculate percentages, increases, decreases, and find what percentage one value is of another

%

Understanding Percentages

What is a Percentage?

A percentage is a way of expressing a number as a fraction of 100. For example, 25% means 25 out of 100, or 1/4.

Formula: (Part / Whole) × 100 = Percentage

Real-World Examples

  • • Discounts: 20% off on a ₹1000 item = ₹200 discount
  • • Marks: 85% on 100 = 85 marks
  • • Growth: 10% growth on ₹10,000 = ₹11,000

Percentage Increase

Used to calculate growth or profit increase.

Formula: ((New Value - Original) / Original) × 100

Percentage Decrease

Used to calculate discounts or losses.

Formula: ((Original - New Value) / Original) × 100

📌 Pro Tips

  • ✓ Always express the percentage as a number out of 100
  • ✓ Use percentage calculators for accurate business and financial calculations
  • ✓ Double-check your base amount (what you're calculating the percentage of)
  • ✓ Remember that 50% of 200 is the same as 200 × 0.5