Step 1: Start with the fraction 43/55.

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

43 ÷ 55 = 0.7818

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

0.7818 × 100 = 78.18%

Final Answer: 43/55 as a percentage is 78.18%.