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
Tom 75.06 Joe 94.3 +22.2
+1.2
Amber 107.56 Jason 65.34 +2.0
+0.1
Josh 122.7 Bill 125.26 -1.3
Garrett 139.86 Kellen 93.32 +0.7
+0.1
Mark 110.82 AJ 113.9 -0.4
Harry 95.78 Justin 88.5 -0.3
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Bill 109.4 Joe 93.36 -26.5
-1.6
Harry 109.88 Mark 110.78 +3.0
Tom 146.36 Kellen 70.62 +1.2
+0.1
Garrett 96.98 AJ 93.82 +0.8
+0.1
Amber 96.88 Josh 128.76 -0.7
-0.2
Justin 78.38 Jason 72.66 +0.6
+0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Joe 86.58 Jason 95.2 -37.6
-1.2
Harry 125.26 Tom 96.36 -12.4
-0.3
AJ 83.18 Justin 72.62 +12.4
+0.3
Garrett 104.22 Bill 83.56 +0.4
+0.2
Josh 113.54 Kellen 138.98 +0.1
-0.3
Games Above .500
Chance Will Make Playoffs