Step 1: Start with the fraction 100/23.

Step 2: To convert a fraction into a percentage, divide the numerator by the denominator.

100 ÷ 23 = 4.3478

Step 3: Multiply the result by 100 to get the percentage.

4.3478 × 100 = 434.78%

Final Answer: 100/23 as a percentage is 434.78%.