What is the percentage increase/decrease from 80 to 4.9?

Answer: The percentage change is -93.88%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 80 to 4.9? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 80\)
• \(Y = 4.9\)
• Percentage change calculation = \({4.9-80 \over 80}\) = \({-75.1 \over 80}\) = \(-0.93875\)

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

\(-0.9388\) = \(-93.88 \over 100 \) = \(-93.88\%\)

\(Answer: \) The percentage change is -93.88%.

What is the percentage increase/decrease from 80 to 4.9? -93.88 percent.

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