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 +1.6
+0.7
Harry 95.78 Justin 88.5 +0.5
-0.1
Josh 122.7 Bill 125.26 -0.4
Amber 107.56 Jason 65.34 +0.2
Tom 75.06 Joe 94.3 -0.1
Garrett 139.86 Kellen 93.32 +0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Garrett 96.98 AJ 93.82 Out
-1.0
Bill 109.4 Joe 93.36 +2.5
+0.1
Harry 109.88 Mark 110.78 +1.8
+0.2
Amber 96.88 Josh 128.76 +0.8
+0.2
Justin 78.38 Jason 72.66 +0.7
+0.1
Tom 146.36 Kellen 70.62 -0.4
-0.2
Week of 12/3100.0*Chance in playoffs100.0*Average seed
AJ 83.18 Justin 72.62 +0.8
Harry 125.26 Tom 96.36 -0.3
Joe 86.58 Jason 95.2 -0.3
Mark 110.42 Amber 70.5 +0.2
Games Above .500
Chance Will Make Playoffs