📊 Percentage Calculator
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📌 Understanding Percentages
A percentage represents a fraction of 100 and is widely used in finance, education, and daily life. It simplifies comparisons and helps analyze growth or decline effectively.
📌 Example Calculations
| Problem | Solution |
|---|---|
| What is 25% of 200? | ✅ 50 |
| Increase 150 by 20% | ✅ 180 |
| Decrease 500 by 10% | ✅ 450 |
| Convert 3/4 to percentage | ✅ 75% |
🔧 Practical Applications of Percentage Calculation
1. Finance: Used to determine interest rates, investment growth, and loan calculations.
2. Business: Helps calculate discounts, profit margins, and sales tax.
3. Education: Determines grades, exam scores, and performance analysis.
❓ FAQs
Q1: How do I find a percentage of a number?
Multiply the number by the percentage and divide by 100. This gives the percentage value of the number.
Q2: How do I calculate a percentage increase?
Multiply the original number by (1 + percentage/100). This provides the increased value.
Q3: How do I convert a fraction to a percentage?
Divide the numerator by the denominator and multiply by 100. This converts the fraction into a percentage.
Q4: How do I calculate percentage change?
Subtract the old value from the new value, divide by the old value, and multiply by 100. This gives the percentage difference.
Q5: What is the easiest way to calculate discounts?
Multiply the original price by the discount percentage and subtract from the original price. This gives the final discounted price.