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
Pollard 117 Henley 144 -14.4
-0.7
Smith 132 Johanson 149 +4.8
+0.2
Kelso 164 Drennon 198 -3.7
-0.1
Crouch 149 Best 108 +3.5
+0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Best 113 Pollard 138 +6.7
+1.0
Drennon 132 Henley 140 +5.4
Smith 153 Crouch 118 -1.0
-0.2
Johanson 119 Tipps 83 +0.9
+0.2
Taylor 100 Kelso 128 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Kelso 152 Pollard 166 +26.7
+0.5
Best 136 Smith 150 -13.3
-0.3
Johanson 176 Drennon 118 +12.9
+0.3
Games Above .500
Chance Will Make Playoffs