**4** is equivalent to 400%

#### Steps to convert decimal into percentage

- Multiply both numerator and denominator by 100. We do this to find an equivalent fraction having 100 as the denominator.

4 × 100/100 - = (4 × 100) × 1/100 = 400/100
- Write in percentage notation: 400%

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#### Decimal to percent converter

Express as percentage: 3.999 4.001