[tex]\begin{gathered} the\text{ percentage of completion is as follows:} \\ percentageofcompletion=\frac{Attempted\text{ number}}{passed\text{ number}}\times100 \\ percentageofcompletion=\frac{19}{30}\times100 \\ percentageofcompletion=63.34\text{ } \end{gathered}[/tex]
The percentage of completion is 63.34%.
