What is the percentage increase/decrease from 640 to 544?

Answer: The percentage change is -15%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 640 to 544? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 640\)
• \(Y = 544\)
• Percentage change calculation = \({544-640 \over 640}\) = \({-96 \over 640}\) = \(-0.15\)

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

\(-0.15\) = \(-15 \over 100 \) = \(-15\%\)

\(Answer: \) The percentage change is -15%.

What is the percentage increase/decrease from 640 to 544? -15 percent.

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