Step 1: Start with the fraction 19/100.

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

19 ÷ 100 = 0.19

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

0.19 × 100 = 19.0%

Final Answer: 19/100 as a percentage is 19.0%.