Cyber Complaint Support

Complain Detail:-> My game account was logedin with my facebook account and beside that I have a youtube channel so I put my game collection video on my youtube channel and after few hour a call came from a unknown number came and the guy asked if I would sell my id to him, I said i am not interested in selling after that my brother called me from back and said that he want to play with my id so I spoke him my id pass and I forgot that I wass still on call and after that the guy quickly changed my id and pass and I was unable to recover my id so, it's a humble request from myself please help me to recover my id back..