800 decreased by 80% = 160
800 decreased by 80 percent is 160. Step-by-step solution with the formula and worked example.
800 decreased by 80% = 160
decreased by %
Solution: 800 decreased by 80 percent
Decrease = 80% × 800 = 640
Result = 800 − 640 = 160
Result = 800 − 640 = 160
Step-by-step explanation
- Find the decrease: 80% of 800 = 640.
- Subtract it from the original: 800 − 640 = 160.
- 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 800 × 0.2 = 160 in one step.
Frequently asked questions
800 decreased by 80 percent
800 decreased by 80% = 160.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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