They have been steadily decreasing + Sunday's eppy posted the lowest ratings I think of the show ever at around 1.5 million, which is still good for cable + one eppy last year posted similar #'s, but this was the most hyped episode.
I am not surprised, the couple of episode recaps I read yesterday had very few comments. I have not watched one episode nor do I plan on watching the rest of the season. I usually watch the Kardashians and KKTNY/KKTM because I like to see pretty people wearing cute clothes. Malika is not shown enough and I am not a fan of her style. No comment on Khloe.
Most girls do not care about basketball and most basketball fans know that E! would not be able to give an accurate behind the scene view of a NBA trade. I expect next season of KUWTK to pull in huge ratings like KKTNY.