It happnes. I uplifted my rating from 975 to 1335 in just four months. I did study. practice study my games. Thats the way you improve. For the past two years I was in 800-1000 rating range. But I changed my self and now Iam improving. So it comes. No problem. And best of luck for your chess
It took me 1300 games to get 1001 elo,JUST TO FALL DOWN TO 890 INSTANTLY!