What is the percentage increase/decrease from 618 to 509?

Answer: The percentage change is -17.64%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 618 to 509? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 618\)
• \(Y = 509\)
• Percentage change calculation = \({509-618 \over 618}\) = \({-109 \over 618}\) = \(-0.17637540453074\)

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

\(-0.1764\) = \(-17.64 \over 100 \) = \(-17.64\%\)

\(Answer: \) The percentage change is -17.64%.

What is the percentage increase/decrease from 618 to 509? -17.64 percent.

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