What is the percentage increase/decrease from 121 to 109?

Answer: The percentage change is -9.92%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 121 to 109? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 121\)
• \(Y = 109\)
• Percentage change calculation = \({109-121 \over 121}\) = \({-12 \over 121}\) = \(-0.099173553719008\)

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

\(-0.0992\) = \(-9.92 \over 100 \) = \(-9.92\%\)

\(Answer: \) The percentage change is -9.92%.

What is the percentage increase/decrease from 121 to 109? -9.92 percent.

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