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
Garrett 139.86 Kellen 93.32 -10.9
-0.9
Amber 107.56 Jason 65.34 +1.7
+0.1
Josh 122.7 Bill 125.26 -1.2
-0.1
Harry 95.78 Justin 88.5 +1.0
+0.1
Tom 75.06 Joe 94.3 -0.2
Mark 110.82 AJ 113.9 -0.1
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Tom 146.36 Kellen 70.62 -18.4
-0.7
Harry 109.88 Mark 110.78 +3.1
Bill 109.4 Joe 93.36 +2.8
Amber 96.88 Josh 128.76 -1.8
Justin 78.38 Jason 72.66 -1.8
-0.1
Garrett 96.98 AJ 93.82 -0.3
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Josh 113.54 Kellen 138.98 In
+1.6
Joe 86.58 Jason 95.2 +23.2
+0.4
Harry 125.26 Tom 96.36 +1.8
+0.1
AJ 83.18 Justin 72.62 -1.8
+0.2
Garrett 104.22 Bill 83.56 +0.1
Games Above .500
Chance Will Make Playoffs