Step 1: Start with the fraction 64/7.

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

64 ÷ 7 = 9.1429

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

9.1429 × 100 = 914.29%

Final Answer: 64/7 as a percentage is 914.29%.