Step 1: Start with the fraction 86/12.

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

86 ÷ 12 = 7.1667

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

7.1667 × 100 = 716.67%

Final Answer: 86/12 as a percentage is 716.67%.