What is the percentage increase/decrease from 18.9 to 15?

Answer: The percentage change is -20.63%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 18.9 to 15? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 18.9\)
• \(Y = 15\)
• Percentage change calculation = \({15-18.9 \over 18.9}\) = \({-3.9 \over 18.9}\) = \(-0.20634920634921\)

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

\(-0.2063\) = \(-20.63 \over 100 \) = \(-20.63\%\)

\(Answer: \) The percentage change is -20.63%.

What is the percentage increase/decrease from 18.9 to 15? -20.63 percent.

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