Step 1: Start with the fraction 17/8.

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

17 ÷ 8 = 2.125

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

2.125 × 100 = 212.5%

Final Answer: 17/8 as a percentage is 212.5%.