What is the percentage increase/decrease from 9921 to 8642?

Answer: The percentage change is -12.89%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 9921 to 8642? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 9921\)
• \(Y = 8642\)
• Percentage change calculation = \({8642-9921 \over 9921}\) = \({-1279 \over 9921}\) = \(-0.12891845580083\)

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

\(-0.1289\) = \(-12.89 \over 100 \) = \(-12.89\%\)

\(Answer: \) The percentage change is -12.89%.

What is the percentage increase/decrease from 9921 to 8642? -12.89 percent.

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