Need help getting into my hacked account

My account has been hacked,I have signed into a new account to recover a new password and was accepted that it was my account but it seems like they have sent me the change of password page to the new account I signed up to email them with.Then when I try to re do the application and where it got which email account do u want to change password it has the new account in there and I can't write the hacked account in there please help.