Calculating the percentage change is a valuable skill that can help you assess growth or decline in various aspects of life, such as finance, business, academics, and more. The percentage change refers to the relative difference between two values expressed as a percentage. In this article, we will provide a step-by-step guide on how to calculate the percentage change.

Step 1: Identify the Initial and Final Values

First, you need to determine two values: the initial value (the starting point) and the final value (the ending point). These values can represent anything from stock prices and sales figures to test scores and weights. For example, let’s say you want to calculate your investment’s percentage growth. Your initial investment was $500, and it has grown to $750.

Initial Value: $500

Final Value: $750

Step 2: Calculate the Difference Between Both Values

Now you need to find the difference between these two values by subtracting the initial value from the final value.

Difference = Final Value – Initial Value

Difference = $750 – $500

Difference = $250

In this example, your investment has grown by $250.

Step 3: Divide the Difference by the Initial Value

Divide the difference calculated in Step 2 by the initial value. This will give you a decimal number representing growth or decline as a proportion of the initial value.

Relative Difference = Difference / Initial Value

Relative Difference = $250 / $500

Relative Difference = 0.5

So in our example, your investment has grown by 0.5 times relative to your initial investment.

Step 4: Convert the Relative Difference into Percentage

To express the relative difference as a percentage, multiply it by 100.

Percentage Change = Relative Difference * 100

Percentage Change = 0.5 * 100

Percentage Change = 50%

In our example, the percentage change in your investment is 50%.

Remember that a positive percentage change indicates an increase or growth, while a negative percentage change signifies a decrease or decline. In the given example, your investment experienced a 50% growth.

Calculating percentage change is a useful tool to track progress, compare values over time, and make informed decisions. Follow these simple steps, and you’ll be able to accurately assess growth or decline in various aspects of your life.