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
Metheny 113 M Crouch 119.4 -0.2
Flores 137.9 Lassiter 162.9 -0.0
Smith 146 S Crouch 137 -0.2
Lippincott 124.4 Salsberry 80.3 +0.0
Week of 11/17100.0*Chance in playoffs100.0*Average seed
Salsberry 116.8 Metheny 115.8 -0.1
McNichols 126 Flores 96.8 Out
-0.0
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 -0.4
Flores 109.6 M Crouch 149.6 -0.2
Games Above .500
Chance Will Make Playoffs