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Percentage Increase Formula:
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Percentage increase measures how much a quantity has grown relative to its original value, expressed as a percentage. It's commonly used to track growth, inflation, performance improvements, and other changes over time.
The calculator uses the percentage increase formula:
Where:
Explanation: The formula calculates the difference between new and old values, divides by the original value to get relative change, then multiplies by 100 to convert to percentage.
Details: Percentage increase is fundamental in business (sales growth), finance (investment returns), economics (inflation rates), and science (experimental results). It provides a standardized way to compare changes across different scales.
Tips: Enter both old and new values as positive numbers. The old value must be greater than zero (division by zero is undefined). Results show the percentage change, with positive values indicating increase and negative values indicating decrease.
Q1: What's the difference between percentage increase and absolute increase?
A: Absolute increase is the simple difference (new - old), while percentage increase shows this difference relative to the original value.
Q2: How do I interpret negative percentage increase?
A: A negative result indicates a percentage decrease rather than increase.
Q3: What if my old value was zero?
A: Percentage change is undefined when starting from zero, as it would require division by zero.
Q4: Can percentage increase be more than 100%?
A: Yes, this indicates the value has more than doubled (e.g., 200% increase means the value is 3 times the original).
Q5: How is this different from percentage points?
A: Percentage points measure absolute difference between percentages, while percentage increase measures relative change from an original value.