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
Smith 146 S Crouch 137 +2.6
+0.8
Metheny 113 M Crouch 119.4 +0.3
-0.3
Flores 137.9 Lassiter 162.9 +0.0
Purvis 88.1 McNichols 126.2 -0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Lassiter 132.7 Smith 106.6 -4.1
-0.2
Salsberry 116.8 Metheny 115.8 +1.2
+0.3
S Crouch 94.8 Lippincott 100.4 -0.3
+0.1
M Crouch 127.6 Purvis 133.3 -0.1
+0.2
McNichols 126 Flores 96.8 -0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Smith 84.3 McNichols 87.1 -0.2
Metheny 133.7 S Crouch 187 +0.0
Games Above .500
Chance Will Make Playoffs