Make the other person an admin to Facebook Page.
Step:1 Go to Manage Pages >
Step:2 Go to Setting >
Step 3: click on Page Roles >
Step 4: go to assign a new page role and add your new id and click on editor and select admin>
Step 5: Select admin and just >
Now you new account can manage the page…….Thanks
Note:
You can’t transfer ownership if you’re not an admin, for obvious reasons.