Step 1: Start with the fraction 3/71.

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

3 ÷ 71 = 0.0423

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

0.0423 × 100 = 4.23%

Final Answer: 3/71 as a percentage is 4.23%.