What is the percentage increase/decrease from 40 to 3.6?

Answer: The percentage change is -91%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 40 to 3.6? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 40\)
• \(Y = 3.6\)
• Percentage change calculation = \({3.6-40 \over 40}\) = \({-36.4 \over 40}\) = \(-0.91\)

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

\(-0.91\) = \(-91 \over 100 \) = \(-91\%\)

\(Answer: \) The percentage change is -91%.

What is the percentage increase/decrease from 40 to 3.6? -91 percent.

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