What happened to my rank?

I used to be a high plat, low diamond solo queue player, now I get stomped and play horribly in low silver.

Am I worse, did everybody get better or does Wukong need some buffs?

Update: Redirect to new post https://boards.na.leagueoflegends.com/en/c/gameplay-balance/srGM9uqY-wukong-not-important-to-riot