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300 increased by 7% = 321

300 increased by 7 percent is 321. Step-by-step solution with the formula and worked example.

300 increased by 7% = 321
increased by %

Solution: 300 increased by 7 percent

Increase = 7% × 300 = 21
Result = 300 + 21 = 321

Step-by-step explanation

  1. Find the increase: 7% of 300 = 21.
  2. Add it to the original: 300 + 21 = 321.
  3. Shortcut: multiply by (1 + 7/100) = ×1.07.

Good to know

Shortcut: increasing by 7% is the same as multiplying by 1.07 (that is 100% + 7%). So 300 × 1.07 = 321 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

300 increased by 7 percent
300 increased by 7% = 321.

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

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