Step 1: Start with the fraction 81/9.

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

81 ÷ 9 = 9.0

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

9.0 × 100 = 900.0%

Final Answer: 81/9 as a percentage is 900.0%.