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 +0.6
+0.9
Harry 95.78 Justin 88.5 +0.1
-0.1
Josh 122.7 Bill 125.26 -0.1
Amber 107.56 Jason 65.34 -0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Garrett 96.98 AJ 93.82 Out
-0.3
Bill 109.4 Joe 93.36 +0.6
Harry 109.88 Mark 110.78 +0.3
+0.1
Justin 78.38 Jason 72.66 +0.1
+0.1
Amber 96.88 Josh 128.76 +0.1
+0.1
Tom 146.36 Kellen 70.62 -0.2
Week of 12/3100.0*Chance in playoffs100.0*Average seed
AJ 83.18 Justin 72.62 +1.0
Joe 86.58 Jason 95.2 -0.4
Harry 125.26 Tom 96.36 -0.2
Mark 110.42 Amber 70.5 +0.1
Games Above .500
Chance Will Make Playoffs