What is the percentage increase/decrease from 991 to 66?

Answer: The percentage change is -93.34%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 991 to 66? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 991\)
• \(Y = 66\)
• Percentage change calculation = \({66-991 \over 991}\) = \({-925 \over 991}\) = \(-0.93340060544904\)

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

\(-0.9334\) = \(-93.34 \over 100 \) = \(-93.34\%\)

\(Answer: \) The percentage change is -93.34%.

What is the percentage increase/decrease from 991 to 66? -93.34 percent.

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