How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
Ballgame 111.3 McDonough 116.7 +0.4
Mitch 106.5 Clements 136.5 -0.1
Ross 72.2 Dick 113 +0.1
Marando 109.6 Doc 77.6 +0.1
Week of 11/28100.0*Average seed
Mitch 127.8 McDonough 106.7 -0.5
Brian 129.8 Ross 111.8 +0.2
Perry 140.7 Clements 120.3 +0.2
Dick 109.4 Doc 106.8 +0.1
Week of 12/5100.0*Average seed
McDonough 119.9 Doc 121.7 -1.0
Perry 98.3 Ross 94.7 +0.3
Dick 119.8 Clements 78.4 +0.2
Games Above .500
Chance Will Make Playoffs