Originally Posted by Lazybones
I think it's because the competition is much greater now than when KDP was just getting started. It's really hard to get attention at Amazon now with the number of self-publishers using their platform. In my genre (fantasy) they've also recently added in the Baen catalog which has a lot of free or low price offerings.
Yeah, my Amazon sales have taken a hit too.. but they still lead the pack in % of sales.