In a survey, $300$ respondents were asked whether they own a vehicle or not. If yes, they were further asked to mention whether they own a car or scooter or both. Their responses are tabulated below. What percent of respondents do not own a scooter?
$$\begin{array}{|l|l|l|l|} \hline & & \text{Men} & \text{Women} \\\hline \text{Own vehicle} & \text{Car} & 40 & 34 \\\hline \text{Own vehicle} & \text{Scooter} & 30 & 20 \\\hline \text{Own vehicle} & \text{Both} & 60 & 46 \\\hline \text{Do not own vehicle} & & 20 & 50 \\\hline \end{array}$$