What is the percentage increase/decrease from 30 to 28.8?

Answer: The percentage change is -4%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 30 to 28.8? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 30\)
• \(Y = 28.8\)
• Percentage change calculation = \({28.8-30 \over 30}\) = \({-1.2 \over 30}\) = \(-0.04\)

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

\(-0.04\) = \(-4 \over 100 \) = \(-4\%\)

\(Answer: \) The percentage change is -4%.

What is the percentage increase/decrease from 30 to 28.8? -4 percent.

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