Step 1: Start with the fraction 34/21.

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

34 ÷ 21 = 1.619

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

1.619 × 100 = 161.9%

Final Answer: 34/21 as a percentage is 161.9%.