What is the percentage increase/decrease from 390 to 87?

Answer: The percentage change is -77.69%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 390 to 87? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 390\)
• \(Y = 87\)
• Percentage change calculation = \({87-390 \over 390}\) = \({-303 \over 390}\) = \(-0.77692307692308\)

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

\(-0.7769\) = \(-77.69 \over 100 \) = \(-77.69\%\)

\(Answer: \) The percentage change is -77.69%.

What is the percentage increase/decrease from 390 to 87? -77.69 percent.

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