What is the percentage increase/decrease from 40 to 6.5?

Answer: The percentage change is -83.75%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 40 to 6.5? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 40\)
• \(Y = 6.5\)
• Percentage change calculation = \({6.5-40 \over 40}\) = \({-33.5 \over 40}\) = \(-0.8375\)

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

\(-0.8375\) = \(-83.75 \over 100 \) = \(-83.75\%\)

\(Answer: \) The percentage change is -83.75%.

What is the percentage increase/decrease from 40 to 6.5? -83.75 percent.

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