Step 1: Start with the fraction 19/27.

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

19 ÷ 27 = 0.7037

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

0.7037 × 100 = 70.37%

Final Answer: 19/27 as a percentage is 70.37%.