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
Lippincott 124.4 Salsberry 80.3 Out
-0.5
Metheny 113 M Crouch 119.4 +0.1
-0.1
Purvis 88.1 McNichols 126.2 -0.1
-0.1
Flores 137.9 Lassiter 162.9 +0.1
+0.1
Smith 146 S Crouch 137 -0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Salsberry 116.8 Metheny 115.8 +0.1
McNichols 126 Flores 96.8 +0.1
M Crouch 127.6 Purvis 133.3 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Purvis 83.2 Salsberry 89.8 +0.5
Games Above .500
Chance Will Make Playoffs