How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Mark 110.82 AJ 113.9 -0.1
-0.4
Garrett 139.86 Kellen 93.32 -0.0
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Harry 109.88 Mark 110.78 In
+0.3
Justin 78.38 Jason 72.66 -0.1
Bill 109.4 Joe 93.36 -0.1
+0.2
Tom 146.36 Kellen 70.62 +0.1
Amber 96.88 Josh 128.76 -0.0
Week of 12/3None
Games Above .500
Chance Will Make Playoffs