My facebook id is hacked

my Fb is hacked and someone has changed my password too I have my phone number access and I have my mail id access too still I'm not able to reset my password I don't know why even I had turned on my TFA still I'm not able to change password... I have not logged out of my account from my device because if I do that maybe I will not be able to login again please help me. i have tried all the methods but all are waste i really want to save my account.

System Configuration: Windows / Chrome 94.0.4606.81