What is the percentage increase/decrease from 999 to 642?

Answer: The percentage change is -35.74%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 999 to 642? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 999\)
• \(Y = 642\)
• Percentage change calculation = \({642-999 \over 999}\) = \({-357 \over 999}\) = \(-0.35735735735736\)

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

\(-0.3574\) = \(-35.74 \over 100 \) = \(-35.74\%\)

\(Answer: \) The percentage change is -35.74%.

What is the percentage increase/decrease from 999 to 642? -35.74 percent.

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