**Q: What is a percentage calculator?**

A: A percentage calculator is a tool that helps users perform calculations involving percentages. It allows for quick and accurate calculations of percentages, such as finding percentages of numbers, calculating percentage changes, or determining the original value based on a percentage increase or decrease.

**Q: How does a percentage calculator work?**

A: A percentage calculator utilizes mathematical formulas to perform calculations based on the input provided by the user. It applies specific equations to determine percentages, percentage changes, or reverse calculations involving percentages.

**Q: Why would I need a percentage calculator?**

A: A percentage calculator is useful in various scenarios. It helps with calculating discounts, sales tax, tips, interest rates, percentage contributions, test scores, and many other situations where percentages are involved.

**Q: What information do I need to provide to use a percentage calculator?**

A: The information required for a percentage calculator depends on the specific calculation being performed. Typically, you would need to input values such as the base or original value, the percentage value, or the changed value, depending on the calculation you want to perform.

**Q: What types of calculations can a percentage calculator perform?**

A: A percentage calculator can perform a wide range of calculations, including finding a percentage of a given number, calculating percentage increases or decreases, determining the original value before a percentage change, and solving various percentage-related problems.

**Q: Can a percentage calculator handle different types of percentages?**

A: Yes, a percentage calculator can handle different types of percentages, such as discounts, markups, tax rates, growth rates, or proportions. It allows you to input the specific type of percentage you are working with to obtain accurate results.

**Q: Can a percentage calculator convert between percentages and decimal or fractional representations?**

A: Yes, many percentage calculators offer the capability to convert between percentages, decimals, and fractions. This allows for easy conversion and flexibility when working with different representations of values.

**Q: Can I embed a percentage calculator on my website or mobile application?**

A: Yes, you can embed a percentage calculator on your website.