Step 1: Start with the fraction 100/38.

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

100 ÷ 38 = 2.6316

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

2.6316 × 100 = 263.16%

Final Answer: 100/38 as a percentage is 263.16%.