An urban planning department is investigating sustainable transportation habits of workers in a newly developed commercial district. To understand transit preferences, researchers surveyed employees across multiple firms using an anonymous digital questionnaire. A selection of the raw data collected is shown below.
Table 1: Preference for hybrid working
| Do you prefer to work from home at least two days a week? | |
|---|---|
| 'yes' | 'no' |
| 145 | 95 |
Table 2: Electric vehicle ownership
| Do you own or lease an electric vehicle (EV)? | ||
|---|---|---|
| 'yes' | 'no' | |
| male | 38 | 62 |
| female | 42 | 58 |
Table 3: Primary commuting method
| Survey findings of employees' primary mode of travel to the office | |
|---|---|
| Commuting Category | Number of employees |
| Active travel (walking/cycling) | 63 |
| Metro / Train | 78 |
| Bus | 45 |
| Electric scooter | 21 |
| Carpooling | 19 |
| Solo driving (combustion engine) | 34 |
Using the data in Table 3, calculate the percentage of employees who reported using an 'Electric scooter' as their primary commuting method. Show your workings and present your final answer to 2 significant figures.