Step 1: Start with the fraction 90/25.

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

90 ÷ 25 = 3.6

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

3.6 × 100 = 360.0%

Final Answer: 90/25 as a percentage is 360.0%.