What is the percentage increase/decrease from 15 to 6.5?

Answer: The percentage change is -56.67%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 15 to 6.5? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 15\)
• \(Y = 6.5\)
• Percentage change calculation = \({6.5-15 \over 15}\) = \({-8.5 \over 15}\) = \(-0.56666666666667\)

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

\(-0.5667\) = \(-56.67 \over 100 \) = \(-56.67\%\)

\(Answer: \) The percentage change is -56.67%.

What is the percentage increase/decrease from 15 to 6.5? -56.67 percent.

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