What is the percentage increase/decrease from 166 to 1.5?

Answer: The percentage change is -99.1%.

Let's see how we can calculate this percentage: what is the percentage increase/decrease from 166 to 1.5? Here is a very simple step-by-step guide to find out.

Step 1: We use the following formula:

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

• \(X = 166\)
• \(Y = 1.5\)
• Percentage change calculation = \({1.5-166 \over 166}\) = \({-164.5 \over 166}\) = \(-0.99096385542169\)

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

\(-0.991\) = \(-99.1 \over 100 \) = \(-99.1\%\)

\(Answer: \) The percentage change is -99.1%.

What is the percentage increase/decrease from 166 to 1.5? -99.1 percent.

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