To turn off the automatic recordings go to https://zoom.us/profile/
This will turn off the auto recording for all new meetings, but you may have to go into the meetings you have already set up and turn off the auto record for each meeting. The way you do this is to go to https://zoom.us/meeting#/ upcoming where you will see your upcoming meetings.
1. Hover over the meeting and click Edit.
2. Select Edit all occurrences
3. Make sure Automatically record meeting is not checked..