75 decreased by 80% = 15
75 decreased by 80 percent is 15. Step-by-step solution with the formula and worked example.
75 decreased by 80% = 15
decreased by %
Solution: 75 decreased by 80 percent
Decrease = 80% × 75 = 60
Result = 75 − 60 = 15
Result = 75 − 60 = 15
Step-by-step explanation
- Find the decrease: 80% of 75 = 60.
- Subtract it from the original: 75 − 60 = 15.
- Shortcut: multiply by (1 − 80/100) = ×0.2.
Good to know
Shortcut: decreasing by 80% is the same as multiplying by 0.2 (that is 100% − 80%). So 75 × 0.2 = 15 in one step.
Frequently asked questions
75 decreased by 80 percent
75 decreased by 80% = 15.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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