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 -20.4
-0.7
Purvis 88.1 McNichols 126.2 -1.4
+0.1
Metheny 113 M Crouch 119.4 +1.4
+0.2
Lippincott 124.4 Salsberry 80.3 -0.9
-0.0
Flores 137.9 Lassiter 162.9 -0.0
Week of 11/17100.0*Chance in playoffs100.0*Average seed
S Crouch 94.8 Lippincott 100.4 -43.9
-1.3
Salsberry 116.8 Metheny 115.8 +7.8
+0.2
McNichols 126 Flores 96.8 -0.8
-0.0
Lassiter 132.7 Smith 106.6 +0.7
+0.0
M Crouch 127.6 Purvis 133.3 -0.3
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Metheny 133.7 S Crouch 187 +0.5
Smith 84.3 McNichols 87.1 +0.1
Games Above .500
Chance Will Make Playoffs