What is the percentage increase/decrease from 646 to 80?

Answer: The percentage change is -87.62%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 646 to 80? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 646\)
• \(Y = 80\)
• Percentage change calculation = \({80-646 \over 646}\) = \({-566 \over 646}\) = \(-0.87616099071207\)

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

\(-0.8762\) = \(-87.62 \over 100 \) = \(-87.62\%\)

\(Answer: \) The percentage change is -87.62%.

What is the percentage increase/decrease from 646 to 80? -87.62 percent.

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