What is the percentage increase/decrease from 99 to 28?

Answer: The percentage change is -71.72%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 99 to 28? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 99\)
• \(Y = 28\)
• Percentage change calculation = \({28-99 \over 99}\) = \({-71 \over 99}\) = \(-0.71717171717172\)

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

\(-0.7172\) = \(-71.72 \over 100 \) = \(-71.72\%\)

\(Answer: \) The percentage change is -71.72%.

What is the percentage increase/decrease from 99 to 28? -71.72 percent.

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