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300 decreased by 40% = 180

300 decreased by 40 percent is 180. Step-by-step solution with the formula and worked example.

300 decreased by 40% = 180
decreased by %

Solution: 300 decreased by 40 percent

Decrease = 40% × 300 = 120
Result = 300 − 120 = 180

Step-by-step explanation

  1. Find the decrease: 40% of 300 = 120.
  2. Subtract it from the original: 300 − 120 = 180.
  3. 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 300 × 0.6 = 180 in one step.

Frequently asked questions

300 decreased by 40 percent
300 decreased by 40% = 180.

How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.

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