Competitive Win Percentage?

I currently (admit am a trash can player.) have a support ranked of Bronze 4, a tank rank of Silver 1, and DOS rank of Silver 2. All of my ranks went down, and I wasn’t too surprised by that, and just figured id just have to grind a bit more! (I havent played ranked really since OW1 where I was gold in everything except DPS.

I digress. I placed Bronze 4, and am on a 6 game win streak on support, however my rank only increased by 6% with every win. Seems abit rough to me! Id have to win 17 games in a row to get a rank up at this rate. CRAZY.

P.S. I did win 6, although I was outraged after game 5 and took a picture before winning one more