What is the percentage increase/decrease from 6401 to 664?

Answer: The percentage change is -89.63%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 6401 to 664? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 6401\)
• \(Y = 664\)
• Percentage change calculation = \({664-6401 \over 6401}\) = \({-5737 \over 6401}\) = \(-0.89626620840494\)

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

\(-0.8963\) = \(-89.63 \over 100 \) = \(-89.63\%\)

\(Answer: \) The percentage change is -89.63%.

What is the percentage increase/decrease from 6401 to 664? -89.63 percent.

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