Lost Data.. EA PLEASE HELP MEEE

I lost all my data from the game and I lost everything. I login in to the game on my pc to try to play it on there so i had to login in to EA and when i did that i lost everything from the game and i had previously played on Xbox like way back and i had everything on it still but then I when I tried to play on my pc i had lost everything, then I logged back in on my Xbox and i still had nothing on my Xbox and I don't know why. Like all I want is my all my stuff back like i had everything and its just gone now years of work gone like what can i do to fix it someone please help me please EA help me. I did change accounts like i used a different email and I even tried going back to the old email and it still wasn't there like can someone please help me or even EA please help me get all my stuff back that all my childhood self worked so hard to get please help me.