What is the percentage increase/decrease from 45.1 to 21?

Answer: The percentage change is -53.44%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 45.1 to 21? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 45.1\)
• \(Y = 21\)
• Percentage change calculation = \({21-45.1 \over 45.1}\) = \({-24.1 \over 45.1}\) = \(-0.53436807095344\)

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

\(-0.5344\) = \(-53.44 \over 100 \) = \(-53.44\%\)

\(Answer: \) The percentage change is -53.44%.

What is the percentage increase/decrease from 45.1 to 21? -53.44 percent.

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