Step 1: Start with the fraction 55/7.

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

55 ÷ 7 = 7.8571

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

7.8571 × 100 = 785.71%

Final Answer: 55/7 as a percentage is 785.71%.