You are trying to audit actions of adding and removing resources from the Staff page of the project where you want to see who inserted or removed the record.
Clarity 16.3.1
You need enable audit on Team object by following below steps:
1. Login to Classic Clarity and navigate to Administration->Objects
2. Search for Team and click on object properties.
3. Go to Audit Trail tab and Resource attribute for below operations
4. Click Save or Save and Return.