What is the percentage increase/decrease from 20 to 25.5?

Answer: The percentage change is 27.5%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 20 to 25.5? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

\(\text{Percentage change}\) = \({Y-X \over X} \cdot 100\%\)

• \(X = 20\)
• \(Y = 25.5\)
• Percentage change calculation = \({25.5-20 \over 20}\) = \({5.5 \over 20}\) = \(0.275\)

Step 2: A percentage is a number or ratio expressed as a fraction of 100.

\(0.275\) = \(27.5 \over 100 \) = \(27.5\%\)

\(Answer: \) The percentage change is 27.5%.

What is the percentage increase/decrease from 20 to 25.5? 27.5 percent.

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