NOVACALC.NET
Loading...

Percentage Calculator Information

How Percentage Calculations Work

  • What is X% of Y? — Calculates the value that is X percent of Y
  • X is what percent of Y? — Finds the percentage that X is of Y
  • What percent increase from X to Y? — Computes the percentage increase from X to Y
  • What percent decrease from X to Y? — Computes the percentage decrease from X to Y
  • X increased by Y% is what? — Calculates the new value after an increase
  • X decreased by Y% is what? — Calculates the new value after a decrease

Examples

What is 15% of 200?

Answer: 30

30 is what percent of 120?

Answer: 25%

What percent increase from 80 to 100?

Answer: 25%

What percent decrease from 250 to 200?

Answer: 20%

100 increased by 15% is what?

Answer: 115

250 decreased by 20% is what?

Answer: 200

Common Use Cases

  • Calculating discounts and sales tax
  • Finding grade percentages
  • Analyzing percent change in finance or statistics
  • Comparing proportions in data
  • Budgeting and financial planning

Tips

  • Double-check your input values for accuracy
  • Use the percent increase/decrease options to quickly see changes
  • Remember that dividing by zero is not allowed
  • Results are rounded to two decimal places for clarity

Frequently Asked Questions (FAQ)

Q: Can I calculate negative percentages?

A: Yes, for percent change, negative results indicate a decrease.

Q: What if I enter zero as the base or whole value?

A: The calculator will show an error, as division by zero is not allowed.

Q: Are the results rounded?

A: Yes, results are rounded to two decimal places for clarity.

Important Disclaimers

Disclaimer: This calculator provides estimates for educational purposes only. Percentage calculations are based on standard mathematical formulas.

For critical applications such as financial calculations, tax computations, or business decisions, always verify results with professional financial software and consult with qualified professionals.

This calculator is not a substitute for professional financial tools or expert consultation. Always use appropriate precision for your specific use case.