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
Josh 122.7 Bill 125.26 -12.7
-1.0
Amber 107.56 Jason 65.34 +1.0
Tom 75.06 Joe 94.3 +0.3
Mark 110.82 AJ 113.9 -0.1
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Amber 96.88 Josh 128.76 +17.8
+0.8
Harry 109.88 Mark 110.78 +5.9
Bill 109.4 Joe 93.36 +1.5
-0.1
Justin 78.38 Jason 72.66 -1.3
Tom 146.36 Kellen 70.62 -0.9
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Josh 113.54 Kellen 138.98 -1.2
Garrett 104.22 Bill 83.56 +0.2
Joe 86.58 Jason 95.2 +0.2
Games Above .500
Chance Will Make Playoffs