What is the percentage increase/decrease from 978 to 99?

Answer: The percentage change is -89.88%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 978 to 99? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 978\)
• \(Y = 99\)
• Percentage change calculation = \({99-978 \over 978}\) = \({-879 \over 978}\) = \(-0.89877300613497\)

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

\(-0.8988\) = \(-89.88 \over 100 \) = \(-89.88\%\)

\(Answer: \) The percentage change is -89.88%.

What is the percentage increase/decrease from 978 to 99? -89.88 percent.

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