What is the % increase/decrease
from to ?
from to ?
Rounding
What is the percentage increase/decrease from 100.4 to 80?
Answer: The percentage change is -20.32%.
Let's see how we can calculate this percentage: what is the percentage increase/decrease from 100.4 to 80? Here is a very simple step-by-step guide to find out.
Step 1: We use the following formula:
\(\text{Percentage change}\) = \({Y-X \over X} \cdot 100\%\)
• \(X = 100.4\)
• \(Y = 80\)
• Percentage change calculation = \({80-100.4 \over 100.4}\) = \({-20.4 \over 100.4}\) = \(-0.20318725099602\)
• \(X = 100.4\)
• \(Y = 80\)
• Percentage change calculation = \({80-100.4 \over 100.4}\) = \({-20.4 \over 100.4}\) = \(-0.20318725099602\)
Step 2: A percentage is a number or ratio expressed as a fraction of 100.
\(-0.2032\) = \(-20.32 \over 100 \) = \(-20.32\%\)
\(Answer: \) The percentage change is -20.32%.
\(Answer: \) The percentage change is -20.32%.
Use the percentage calculator to solve other similar percentage calculation questions.
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