If a Staff Member has been Promoted to Admin and needs to be Reverted, please follow these steps.
Tap on > Staff
Tap on > Staff Member's Name You Want to Revert to Employee
Tap on > Settings
Tap On > Revert to Employee
*(Web Version) Click on > Revert
Tap On > Confirm
Here you will receive a confirmation
If you are using the web version, it will look like this: