my account got hacked how to recover it

[m_ahmad7232]

I just got my phone number changed at 5 39pm and email at 5 43pm which was not me now i am able to sign in with google but in my account there is someones email and phone number and a security question which I dont know
kindly help me to reset all my account details and make fiver a more trusted place for sellers
I already complaint this with ticket id  (#10603299) but still didnt got a reply