300 decreased by 30% = 210
300 decreased by 30 percent is 210. Step-by-step solution with the formula and worked example.
300 decreased by 30% = 210
decreased by %
Solution: 300 decreased by 30 percent
Decrease = 30% × 300 = 90
Result = 300 − 90 = 210
Result = 300 − 90 = 210
Step-by-step explanation
- Find the decrease: 30% of 300 = 90.
- Subtract it from the original: 300 − 90 = 210.
- Shortcut: multiply by (1 − 30/100) = ×0.7.
Good to know
Shortcut: decreasing by 30% is the same as multiplying by 0.7 (that is 100% − 30%). So 300 × 0.7 = 210 in one step.
Frequently asked questions
300 decreased by 30 percent
300 decreased by 30% = 210.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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