Home Back

Percentage Calculator

Percentage Formula:

\[ \text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100 \]

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Percentage Calculator?

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

Purpose: It helps in various mathematical, financial, and statistical calculations where relative proportions need to be determined.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100 \]

Where:

Explanation: The formula divides the part by the whole to get a decimal value, then multiplies 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 everyday life (discounts).

4. Using the Calculator

Tips: Enter the part and whole values. The whole must be greater than zero. The result will be displayed as a percentage with two decimal places.

5. Frequently Asked Questions (FAQ)

Q1: What if my part is larger than the whole?
A: The calculator will still work, showing a percentage greater than 100%.

Q2: Can I calculate percentage decrease?
A: Yes, use the difference between original and new value as the "part".

Q3: What's the difference between percentage and percentile?
A: Percentage is a proportion out of 100, while percentile indicates relative position in a distribution.

Q4: How do I calculate percentage points?
A: Percentage points represent absolute differences between percentages (e.g., 5% to 7% is a 2 percentage point increase).

Q5: Why multiply by 100 in the formula?
A: Multiplying by 100 converts the decimal fraction to a percentage, which is easier to understand and compare.

Percentage Calculator© - All Rights Reserved 2025