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*Chance in playoffs100.0*Average seed
Ross 72.2 Dick 113 Out
-0.1
Perry 97.9 Brian 101.1 -0.3
Ballgame 111.3 McDonough 116.7 +0.2
-0.2
Marando 109.6 Doc 77.6 +0.1
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Brian 129.8 Ross 111.8 -0.2
Dick 109.4 Doc 106.8 +0.1
Mitch 127.8 McDonough 106.7 +0.1
Perry 140.7 Clements 120.3 +0.0
Week of 12/5100.0*Chance in playoffs100.0*Average seed
Perry 98.3 Ross 94.7 -0.1
McDonough 119.9 Doc 121.7 +0.1
Dick 119.8 Clements 78.4 +0.1
Games Above .500
Chance Will Make Playoffs