How are these numbers calculated?

Big Games

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

Week of 11/10100.0*Chance in playoffs100.0*Average seed
Tipps 139 Taylor 128 +1.1
+0.8
Crouch 149 Best 108 +0.6
+0.1
Pollard 117 Henley 144 +0.5
Smith 132 Johanson 149 +0.5
+0.1
Kelso 164 Drennon 198 -0.4
-0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Johanson 119 Tipps 83 -5.4
-0.9
Drennon 132 Henley 140 +4.4
Smith 153 Crouch 118 -1.0
-0.2
Best 113 Pollard 138 +0.1
Taylor 100 Kelso 128 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Henley 146 Tipps 96 -0.8
Best 136 Smith 150 +0.3
Games Above .500
Chance Will Make Playoffs