30 decreased by 1% = 29.7
30 decreased by 1 percent is 29.7. Step-by-step solution with the formula and worked example.
30 decreased by 1% = 29.7
decreased by %
Solution: 30 decreased by 1 percent
Decrease = 1% × 30 = 0.3
Result = 30 − 0.3 = 29.7
Result = 30 − 0.3 = 29.7
Step-by-step explanation
- Find the decrease: 1% of 30 = 0.3.
- Subtract it from the original: 30 − 0.3 = 29.7.
- Shortcut: multiply by (1 − 1/100) = ×0.99.
Good to know
Shortcut: decreasing by 1% is the same as multiplying by 0.99 (that is 100% − 1%). So 30 × 0.99 = 29.7 in one step.
Frequently asked questions
30 decreased by 1 percent
30 decreased by 1% = 29.7.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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