Determining the percentage change between two values involves finding the difference between the initial and final figures, dividing that difference by the initial value, and then multiplying the result by 100. For instance, if a product’s price increases from $20 to $25, the difference ($5) is divided by the original price ($20), resulting in 0.25. Multiplying this by 100 yields a 25% increase.
Quantifying proportional change is crucial for analyzing trends, evaluating performance, and making informed decisions across diverse fields. Its application spans financial analysis, where it aids in assessing investment returns; marketing, where it measures campaign effectiveness; and scientific research, where it tracks experimental outcomes. This method allows for a standardized comparison of data, irrespective of the original scale.
