Step 1: Start with the fraction 25/39.

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

25 ÷ 39 = 0.641

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

0.641 × 100 = 64.1%

Final Answer: 25/39 as a percentage is 64.1%.