What is the percentage increase/decrease from 645 to 83?

Answer: The percentage change is -87.13%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 645 to 83? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 645\)
• \(Y = 83\)
• Percentage change calculation = \({83-645 \over 645}\) = \({-562 \over 645}\) = \(-0.87131782945736\)

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

\(-0.8713\) = \(-87.13 \over 100 \) = \(-87.13\%\)

\(Answer: \) The percentage change is -87.13%.

What is the percentage increase/decrease from 645 to 83? -87.13 percent.

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