How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/15100.0*Average seed
Alex 113.5 Dan 104 -0.4
Jordan 110 Clen 93.5 -0.2
PJ 100.5 Beano 90 +0.1
Ryan 86.5 MikeBorr 64.5 -0.1
Week of 11/22100.0*Average seed
PJ 77.5 Dan 106.5 +0.2
Beano 83 Sam 117.5 +0.1
Jordan 138 MikeBorr 159.5 +0.1
Week of 11/29100.0*Average seed
Beano 90.5 Dan 113 +0.3
Nick 118 Jordan 119 -0.2
Games Above .500
Chance Will Make Playoffs