What is the percentage increase/decrease from 820 to 790?

Answer: The percentage change is -3.66%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 820 to 790? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 820\)
• \(Y = 790\)
• Percentage change calculation = \({790-820 \over 820}\) = \({-30 \over 820}\) = \(-0.036585365853659\)

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

\(-0.0366\) = \(-3.66 \over 100 \) = \(-3.66\%\)

\(Answer: \) The percentage change is -3.66%.

What is the percentage increase/decrease from 820 to 790? -3.66 percent.

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