What if someone hacked my Facebook and changed my email, phone number, and password?{F~B}

The first thing you should do when you suspect your Facebook account has been hacked is to change your password and contact Facebook help centre ????(????????????) ????????????-????????????????, Go to Facebook's facebook.com/hacked immediately dial:+????- ????????????-????????????-???????????????? page to try and recover your account to report the hacked it and start recovery. Reset your password, check for unauthorized changes, and remove unfamiliar devices. Enable two-factor authentication for added security.