Step 1: Start with the fraction 31/250.

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

31 ÷ 250 = 0.124

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

0.124 × 100 = 12.4%

Final Answer: 31/250 as a percentage is 12.4%.