1. What is a Percentage Calculator?

Definition: This calculator determines what percentage one number is of another number, following the standard mathematical formula.

Purpose: It helps users in South Africa and worldwide quickly calculate percentages for financial, academic, statistical, and everyday calculations.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• Part — The portion you want to find the percentage of (unitless)
• Whole — The total or reference amount (unitless)
• Percentage — The result expressed as a percentage (%)

Explanation: The part is divided by the whole, then multiplied by 100 to convert to a percentage.

3. Importance of Percentage Calculations

Details: Percentages are fundamental in finance (interest rates), statistics (data analysis), education (grades), and business (profit margins).

4. Using the Calculator

Tips: Enter the part and whole values. The whole must be greater than zero. The result shows what percentage the part is of the whole.

5. Frequently Asked Questions (FAQ)

Q1: What if my whole is zero?
A: Division by zero is undefined. The whole must be greater than zero for a valid calculation.

Q2: Can I calculate percentage increase/decrease?
A: Yes. For increase: (New-Original)/Original×100. For decrease: (Original-New)/Original×100.

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

Q4: Can I use this for financial calculations?
A: Yes, this is suitable for calculating percentages in financial contexts like VAT, interest, or profit margins.

Q5: Why is this labeled for South Africa?
A: While the math is universal, we've tailored examples and context for South African users, though it works globally.