What is the percentage increase/decrease from 80 to 18?

Answer: The percentage change is -77.5%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 80 to 18? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 80\)
• \(Y = 18\)
• Percentage change calculation = \({18-80 \over 80}\) = \({-62 \over 80}\) = \(-0.775\)

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

\(-0.775\) = \(-77.5 \over 100 \) = \(-77.5\%\)

\(Answer: \) The percentage change is -77.5%.

What is the percentage increase/decrease from 80 to 18? -77.5 percent.

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