Percentage Formula:
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Definition: This calculator determines what a given percentage is of any specified number.
Purpose: It helps with financial calculations, statistical analysis, discounts, and various mathematical applications.
The calculator uses the formula:
Where:
Explanation: The percentage is divided by 100 to convert it to a decimal, then multiplied by the number.
Details: Percentage calculations are fundamental in finance (interest rates), retail (discounts), statistics (growth rates), and everyday mathematics.
Tips: Enter the percentage value and the number you want to find the percentage of. Both values must be ≥ 0.
Q1: How do I calculate a percentage without a calculator?
A: Divide the percentage by 100 (to get decimal form) then multiply by the number.
Q2: What's the difference between percentage of and percentage increase?
A: Percentage of finds a portion, while percentage increase calculates growth from an original value.
Q3: Can I calculate reverse percentages with this?
A: No, this calculates X% of Y. For "X is what % of Y" you'd need a different calculator.
Q4: How precise are the calculations?
A: Results are calculated to 3 decimal places for accuracy.
Q5: Why does UK style matter for percentages?
A: While the math is universal, this calculator follows UK formatting conventions for decimal points and number presentation.