What is the percentage increase/decrease from 65.5 to 21?

Answer: The percentage change is -67.94%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 65.5 to 21? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 65.5\)
• \(Y = 21\)
• Percentage change calculation = \({21-65.5 \over 65.5}\) = \({-44.5 \over 65.5}\) = \(-0.6793893129771\)

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

\(-0.6794\) = \(-67.94 \over 100 \) = \(-67.94\%\)

\(Answer: \) The percentage change is -67.94%.

What is the percentage increase/decrease from 65.5 to 21? -67.94 percent.

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