80 decreased by 75% = 20
80 decreased by 75 percent is 20. Step-by-step solution with the formula and worked example.
80 decreased by 75% = 20
decreased by %
Solution: 80 decreased by 75 percent
Decrease = 75% × 80 = 60
Result = 80 − 60 = 20
Result = 80 − 60 = 20
Step-by-step explanation
- Find the decrease: 75% of 80 = 60.
- Subtract it from the original: 80 − 60 = 20.
- Shortcut: multiply by (1 − 75/100) = ×0.25.
Good to know
Shortcut: decreasing by 75% is the same as multiplying by 0.25 (that is 100% − 75%). So 80 × 0.25 = 20 in one step.
Frequently asked questions
80 decreased by 75 percent
80 decreased by 75% = 20.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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