400 decreased by 40% = 240
400 decreased by 40 percent is 240. Step-by-step solution with the formula and worked example.
400 decreased by 40% = 240
decreased by %
Solution: 400 decreased by 40 percent
Decrease = 40% × 400 = 160
Result = 400 − 160 = 240
Result = 400 − 160 = 240
Step-by-step explanation
- Find the decrease: 40% of 400 = 160.
- Subtract it from the original: 400 − 160 = 240.
- Shortcut: multiply by (1 − 40/100) = ×0.6.
Good to know
Shortcut: decreasing by 40% is the same as multiplying by 0.6 (that is 100% − 40%). So 400 × 0.6 = 240 in one step.
Frequently asked questions
400 decreased by 40 percent
400 decreased by 40% = 240.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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