Percentage Calculator
Developed by Hemant Parashar, B.Sc.Calculate percentages easily with these three common percentage problems.
General Purpose Disclaimer
This tool is developed for educational and quick reference purposes. Calculations should be verified independently for critical applications.
What is X% of Y?
X is what percent of Y?
Percentage Change
How to Use the Percentage Calculator
Calculates percentage changes, parts of wholes, and base percentage conversions. Follow these instructions to compute your results accurately:
- Choose the calculation mode (find percentage, calculate percentage difference, or percentage increase/decrease).
- Enter base numbers and values.
- Click calculate to instantly retrieve the math result.
Mathematical Formulas & Calculation Principles
The underlying calculations rely on the following mathematical logic:
Where:
- Part: The fraction or subset of the base value.
- Whole: The base value representing 100%.
Frequently Asked Questions (FAQ)
Q: How is percentage difference calculated?
A: The percentage difference is calculated by dividing the absolute difference between two numbers by their average, then multiplying by 100.
This tool was developed and verified by Hemant Parashar, B.Sc. Graduate and part-time blogger, to provide free, high-accuracy mathematical resources for educational use.