@homerdog is correct. Most of the athletes have to apply ED and most have already passed a pre-read. Most schools ask legacies to apply ED, the idea being that they will give you that preference but only if you promise to use it (which ED does). Questbridge is in this round. So when a small school fills half its class through ED, it can appear that it’s a whole lot easier to get in that way. But the number of spots for someone who isn’t in one of those preferred groups? Not many. Your odds will be a smidge better, but not like that chart suggests.
I remember seeing those numbers the first time and feeling like I had found the keys to the secret kingdom. Alas, that was not the case…