Click Settings at the top of your Page
From General, click Remove Page
Click Delete [Page name]
Click Delete Page and then click OK
Keep in mind your Page won’t be permanently deleted until 14 days have passed, but you can unpublish your Page at any time.
To cancel your Page deletion:
Go to your Page within 14 days of scheduling to delete your Page
Click Cancel Deletion at the top of your Page
Click Confirm and then click OK