What is the percentage increase/decrease from 7991 to 1638?

Answer: The percentage change is -79.5%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 7991 to 1638? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 7991\)
• \(Y = 1638\)
• Percentage change calculation = \({1638-7991 \over 7991}\) = \({-6353 \over 7991}\) = \(-0.79501939682142\)

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

\(-0.795\) = \(-79.5 \over 100 \) = \(-79.5\%\)

\(Answer: \) The percentage change is -79.5%.

What is the percentage increase/decrease from 7991 to 1638? -79.5 percent.

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