Percentage Increase Formula:
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Percentage increase measures how much a value has grown relative to its original amount, expressed as a percentage. It's commonly used in UK financial contexts to track price changes, salary increases, investment growth, and more.
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 converts to a percentage.
Details: Calculating percentage increases is essential for understanding inflation, wage growth, investment returns, and price changes in the UK economy. It allows for standardized comparison across different scales.
Tips: Enter both values in GBP (£). The old value must be greater than zero. The calculator handles both increases (positive percentage) and decreases (negative percentage).
Q1: What's the difference between percentage increase and absolute increase?
A: Absolute increase is the simple difference (£), while percentage increase shows the relative change, making comparisons easier across different scales.
Q2: 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.
Q3: Can the calculator show percentage decrease?
A: Yes, if the new value is lower than the old, the result will be a negative percentage (indicating decrease).
Q4: Why use GBP specifically for this UK calculator?
A: While the formula works with any currency, this version is tailored for UK users with GBP formatting and examples relevant to the UK economy.
Q5: How should I interpret a 100% increase?
A: A 100% increase means the value has doubled. A 200% increase means it's tripled (original + 200% = 300% of original).