Step 1: Start with the fraction 55/8.

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

55 ÷ 8 = 6.875

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

6.875 × 100 = 687.5%

Final Answer: 55/8 as a percentage is 687.5%.