For me, I think those followers that show up at the top of the page are in descending order (most recent to least recent).
Our 3 most recent admin staff hires (Blair, Ketara, and Dominique) had all started following Rori earlier today (as Rori's page didn't have them following her a day or two ago). Then we got wind of Rori's commitment. When I went back to look this evening, all 3 staff members were now following Aaliyah Moore; but, that wasn't the case earlier today. So, to me, they started following Moore this afternoon/evening.
Dionnah Jackson started following Aaliyah like a day or two after Vic was hired; she had also started following Charli, Celeste, and other things Texas that day.
Johnnie Harris started following Aaliyah a day or two ago, if my memory is working at the moment.
So, basically, I guess it comes down to how consistently you view who's following whom, and how good your memory treats you . . .