Step 1: Start with the fraction 43/8.

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

43 ÷ 8 = 5.375

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

5.375 × 100 = 537.5%

Final Answer: 43/8 as a percentage is 537.5%.