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 -0.3
-0.5
Tom 75.06 Joe 94.3 -0.2
-0.1
Garrett 139.86 Kellen 93.32 +0.2
Josh 122.7 Bill 125.26 +0.1
Harry 95.78 Justin 88.5 +0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Harry 109.88 Mark 110.78 In
+0.6
Justin 78.38 Jason 72.66 -0.4
-0.1
Bill 109.4 Joe 93.36 -0.3
+0.2
Tom 146.36 Kellen 70.62 +0.2
+0.1
Amber 96.88 Josh 128.76 -0.1
-0.1
Week of 12/3None
Games Above .500
Chance Will Make Playoffs