What is the percentage increase/decrease from 405 to 55?

Answer: The percentage change is -86.42%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 405 to 55? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 405\)
• \(Y = 55\)
• Percentage change calculation = \({55-405 \over 405}\) = \({-350 \over 405}\) = \(-0.8641975308642\)

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

\(-0.8642\) = \(-86.42 \over 100 \) = \(-86.42\%\)

\(Answer: \) The percentage change is -86.42%.

What is the percentage increase/decrease from 405 to 55? -86.42 percent.

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