Percentage Calculator

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Percentage Calculator – Fast & Easy Percent Math

Our free Percentage Calculator helps you quickly and accurately calculate percentages, percentage increase or decrease, and find what percent one number is of another. It's a handy tool for students, professionals, shoppers, and anyone working with numbers daily.

How to Use the Percentage Calculator

  1. Enter the base number and the percentage value to calculate what is x% of y.
  2. Use it to find the percentage difference between two numbers.
  3. Calculate percentage increase or decrease between an original and new value.
  4. Click the calculate button to get instant results.

Formula Used in Percentage Calculator

Percentage of a number:

Percentage (%) = (Part / Whole) × 100

Percentage increase/decrease:

Percentage Change = ((New - Original) / Original) × 100

Example Calculation

Q: What is 25% of 160?

A: (25 / 100) × 160 = 40

Benefits of Using Our Percentage Calculator

  • Save time on manual percentage math.
  • Instant and accurate results.
  • Useful for shopping discounts, finance, academic scores, and business analysis.
  • Mobile-friendly and accessible anywhere.

Real-life Applications

  • Shopping: Calculate discounts quickly.
  • Finance: Analyze interest rates or profit margins.
  • Education: Convert scores or marks into percentages.
  • Health: Track body fat percentage or nutrient intake.

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FAQs

1. What is a percentage?

A percentage is a fraction or ratio expressed as a part of 100. For example, 50% means 50 out of 100.

2. How do I calculate the percentage of a number?

Multiply the number by the percentage and divide by 100. For example, 20% of 150 = (20 × 150) ÷ 100 = 30.

3. How can I find the percentage increase or decrease?

Use the formula: ((New - Original) / Original) × 100 to find percentage change.

4. Is this calculator suitable for financial use?

Yes, it’s perfect for calculating profit margins, interest rates, and other financial ratios.

5. Can I use it on mobile?

Yes, the calculator is fully responsive and works smoothly on mobile devices.