Can Someone Explain My U.GG Ranked "Progress" To Me Please? At a loss.

I don't think I have ever seen someone's ranked progression graph look quite like mine before.

Can someone look at it and tell me what in the world I am doing wrong?

I climbed to G2 with a 54% win rate on Jinx and now I can't seem to win a single game and I literally don't know if it's me. Certainly doesn't make sense how you can climb to a rank and then just get absolutely obliterated/unlucky over and over and over to the point where you de-rank so much.

Did someone else start piloting my brain when I wasn't paying attention?

Please someone tell me if they see something standing out.

https://u.gg/lol/profile/na1/juubjuub/overview