How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/29100.0*Chance in playoffs100.0*Average seed
Cowboys 78.33 Penises 81.02 +41.8
+0.9
Dolphins 107.77 Storm Troopers 129.75 -2.7
-0.1
Ice Men 112.88 Shoguns 153.67 +2.1
+0.1
Harpies 58.82 Feminists 131.32 -1.6
-0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Penises 114.72 Feminists 79.14 +17.3
+0.4
Storm Troopers 107.53 Guarde 114.27 -1.0
-0.1
Ice Men 161.99 Cowboys 166.59 +0.5
Dolphins 149.38 Conquistadors 104.05 -0.1
-0.0
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Feminists 133.37 Storm Troopers 103.55 -59.3
-0.9
Guarde 131.93 Penises 124.53 -4.5
-0.4
Ice Men 123.71 Conquistadors 71.86 -0.2
-0.0
Games Above .500
Chance Will Make Playoffs