What is the percentage increase/decrease from 70 to 30?

Answer: The percentage change is -57.14%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 70 to 30? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 70\)
• \(Y = 30\)
• Percentage change calculation = \({30-70 \over 70}\) = \({-40 \over 70}\) = \(-0.57142857142857\)

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

\(-0.5714\) = \(-57.14 \over 100 \) = \(-57.14\%\)

\(Answer: \) The percentage change is -57.14%.

What is the percentage increase/decrease from 70 to 30? -57.14 percent.

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