Question: how to change facebook page to another account?
Answer: So, here's the basic process.
Step 1: Go to the business manager itself. ... 
Step 2: Click the “people” section on the left side of the screen. ... 
Step 3: Click the name of the person you want to give ownership to and click to change roles. ... 
Step 4: Make the person an admin and notify them of their new status.