Percentage Calculator

Calculate simple percentage, percent change, and reverse percentage instantly.

Basic Percentage
What is % of
Result
0
Find Percentage
is what % of
Result
0%
Percentage Change
From To
Difference
0%

Best Free Percentage Calculator Online

Percentage calculations are everywhere—from shopping discounts to tax calculations and student grades. Yet, doing the math in your head can be confusing. Xizoa Hub's Smart Percentage Calculator helps you solve three common types of percentage problems instantly and accurately.

How to Use This Tool?

  • Basic Percentage: Use this to find a portion of a number. (e.g., "What is 18% of 1000?" -> Answer: 180). Useful for calculating GST or tips.
  • Find Percentage: Use this to see what fraction one number is of another. (e.g., "I scored 45 out of 50. What is my percentage?" -> Answer: 90%).
  • Percentage Change: Use this to calculate growth or decline. (e.g., "Price changed from $50 to $60. What is the % increase?" -> Answer: +20%).

Percentage Formulas

If you want to do the math manually, here are the formulas:

  1. P% of X: (P / 100) * X
  2. Y is what % of X: (Y / X) * 100
  3. Percentage Increase/Decrease: ((New - Old) / Old) * 100

Real Life Examples

Discount Calculation: A shirt costs $50 but has a 20% discount.
Calculation: 20% of 50 = 10. New Price = 50 - 10 = $40.

Salary Hike: Your salary increased from $5000 to $5500.
Calculation: (5500 - 5000) / 5000 * 100 = 10% Hike.

Frequently Asked Questions

How do I calculate 15% tip?

Simply enter "15" in the first box and your bill amount in the second box of the "Basic Percentage" calculator.

Can I calculate negative percentage change?

Yes. If the new value is lower than the old value (e.g., stock market loss), the result will show a negative percentage (e.g., -15%), indicating a decrease.