I got hacked yesterday and I need help getting it back plz <:"(

Today I sent a pm to [MOD]9 asking if he can help what happened is we got a new member in the clan I was in !relentless (rank: around 549) and he came to me asking to trade accounts with him and I kept tell him no get away and he would keep asking me until I said no the guys ign was diamondswirl, my clan members said he was also spamming our clan chat, but besides that he said he was gonna hack my account, and I didn't believe him so the next day I try and log in and I can't I look and he changed my sq answer, my email, and password. I look at my character page and I see that he left my clan and reset my kills and death, wins and losses. Plz help me recover my account I beg plz if u want more account info just pm this account
My account info:
Ign: redragon01
Rank: sfc 2bars
Weapons owned: m249 Xmas, m4a1 custom, awm, ak-47 silver, xm8, Uzi, tar-21, xm1014, desert eagle, and a usp and other nades and stuff
Character: spop
Zp bought: around 80,000
Plz someone help anyone plz help me get my account back any [GM] or [MOD] users plz help me