Step 1: Start with the fraction 64/25.

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

64 ÷ 25 = 2.56

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

2.56 × 100 = 256.0%

Final Answer: 64/25 as a percentage is 256.0%.