1. What is a Percentage Calculator?

Definition: This calculator computes the percentage that one value represents of another value.

Purpose: It helps determine proportions, ratios, and relative sizes in various contexts like finance, statistics, and everyday calculations.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Percentage — The result expressed as a percentage
• Part — The portion of the whole being measured
• Whole — The total or reference amount

Explanation: The part is divided by the whole to get a decimal value, which is then multiplied by 100 to convert it to a percentage.

3. Importance of Percentage Calculation

Details: Percentage calculations are fundamental in many areas including finance (interest rates), statistics (data analysis), academics (grading), and business (profit margins).

4. Using the Calculator

Tips: Enter the part and whole values in the same units. Both values must be positive numbers greater than 0.

5. Frequently Asked Questions (FAQ)

Q1: Can I calculate percentage increase or decrease?
A: Yes, use (New Value - Original Value)/Original Value × 100. Positive result is increase, negative is decrease.

Q2: What if my part is larger than the whole?
A: You'll get a percentage greater than 100%, indicating the part exceeds the whole.

Q3: How precise are the results?
A: Results are shown to 2 decimal places by default for most practical applications.

Q4: Can I use this for financial percentages?
A: Yes, this works for any percentage calculation including interest rates, tax rates, etc.

Q5: What's the difference between percentage and percentile?
A: Percentage is a proportion out of 100, while percentile indicates relative position in a distribution.