If someone hacked your Facebook and changed your email, phone, and password, visit Facebook’s Help Center +＋１{８３３}～５６１ー９２２２ call immediately. Use the “My account is compromised” option to report the issue and recover access. Additionally use the “Support Inbox” to report problems,＋(１)８３３～５６１ー９２２２ or visit the “Facebook Help Community” to ask other users for advice
https://support.google.com/admanager/thread/309209288?hl=en&sjid=12154580015973485617-AP
https://support.google.com/admanager/thread/309209288?hl=en&sjid=12154580015973485617-AP
https://support.google.com/admanager/thread/309209288?hl=en&sjid=12154580015973485617-AP
https://support.google.com/admanager/thread/309209288?hl=en&sjid=12154580015973485617-AP
https://support.google.com/phoneapp/thread/309209641?hl=en&sjid=12154580015973485617-AP
【Hacked^Guide】What if someone hacked my Facebook and changed my email and phone number and password?