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
- Enter the base number and the percentage value to calculate what is x% of y.
- Use it to find the percentage difference between two numbers.
- Calculate percentage increase or decrease between an original and new value.
- 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.