15 decreased by 1% = 14.85
15 decreased by 1 percent is 14.85. Step-by-step solution with the formula and worked example.
15 decreased by 1% = 14.85
decreased by %
Solution: 15 decreased by 1 percent
Decrease = 1% × 15 = 0.15
Result = 15 − 0.15 = 14.85
Result = 15 − 0.15 = 14.85
Step-by-step explanation
- Find the decrease: 1% of 15 = 0.15.
- Subtract it from the original: 15 − 0.15 = 14.85.
- 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 15 × 0.99 = 14.85 in one step.
Frequently asked questions
15 decreased by 1 percent
15 decreased by 1% = 14.85.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
Calculated instantly in your browser. Try your own numbers in the box above, or use the full Percentage Calculator.