Percentage Calculator - Calculate Percentage % Online Free | BalochTools

Free Percentage Calculator to calculate X% of Y, what percent is X of Y, and percentage increase/decrease. Best for students, shop discount...

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Free Percentage Calculator to calculate X% of Y, what percent is X of Y, and percentage increase/decrease. Best for students, shop discounts, business & exams. 100% free by BalochTools.

Percentage Calculator

1. What is X% of Y?

% of

2. X is what % of Y?

is what % of

3. Percentage Increase / Decrease

From To

What is Percentage Calculator?

A Percentage Calculator is a free math tool that helps you find percentages quickly. Percentage means "per hundred" - If you score 80 out of 100, your percentage is 80%. Our BalochTools Percentage Calculator solves 3 most common percentage problems instantly without manual calculation.

Percentage Formula - How to Calculate?

Formula 1: What is X% of Y?
Formula = (X/100) × Y
Example: What is 20% of 150? = (20/100) × 150 = 30

Formula 2: X is what % of Y?
Formula = (X/Y) × 100
Example: 30 is what % of 150? = (30/150) × 100 = 20%

Formula 3: Percentage Increase
Formula = ((New - Old)/Old) × 100
Example: From 100 to 120 = ((120-100)/100)×100 = 20% Increase

Why Use BalochTools Percentage Calculator?

  • ✅ For Students: Calculate exam marks, GPA percentage
  • ✅ For Shopping: Find discount - What is 30% off on $200?
  • ✅ For Business: Profit percentage, salary increase
  • ✅ 100% Free, No Signup, Private
  • ✅ Works on Mobile, Tablet, Laptop

Percentage Chart - Common Percentages

PercentageResult of 100Use
10%10Tip, Discount
20%20Sale
25%25Quarter
50%50Half
75%75Most
100%100Full

Frequently Asked Questions (FAQs)

How to calculate percentage of marks?

Divide obtained marks by total marks and multiply by 100. Example: 450/500×100 = 90%

What is 20% of 100?

20% of 100 is 20. Formula (20/100)×100 = 20

How to find discount percentage?

Use our calculator: Enter discount amount and original price in "X is what % of Y" to find discount %.

Try our other tools: Age Calculator | BMI Calculator | Word Counter

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How to Use This Tool

1
Fill in the required input parameters in the tool box above.
2
Click the action button to process your calculation or document instantly.
3
View or download your calculated results directly in the output area.

Frequently Asked Questions

Yes! All our tools are completely free to use with zero registration or hidden costs.
Yes, all computations run directly inside your web browser. No private data is ever sent to external servers.