What is the percentage increase/decrease from 80 to 20.8?

Answer: The percentage change is -74%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 80 to 20.8? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 80\)
• \(Y = 20.8\)
• Percentage change calculation = \({20.8-80 \over 80}\) = \({-59.2 \over 80}\) = \(-0.74\)

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

\(-0.74\) = \(-74 \over 100 \) = \(-74\%\)

\(Answer: \) The percentage change is -74%.

What is the percentage increase/decrease from 80 to 20.8? -74 percent.

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