400 decreased by 75% = 100
400 decreased by 75 percent is 100. Step-by-step solution with the formula and worked example.
400 decreased by 75% = 100
decreased by %
Solution: 400 decreased by 75 percent
Decrease = 75% × 400 = 300
Result = 400 − 300 = 100
Result = 400 − 300 = 100
Step-by-step explanation
- Find the decrease: 75% of 400 = 300.
- Subtract it from the original: 400 − 300 = 100.
- 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 400 × 0.25 = 100 in one step.
Frequently asked questions
400 decreased by 75 percent
400 decreased by 75% = 100.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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