Step 1: Start with the fraction 63/80.

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

63 ÷ 80 = 0.7875

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

0.7875 × 100 = 78.75%

Final Answer: 63/80 as a percentage is 78.75%.