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 +18.0
+0.8
Metheny 113 M Crouch 119.4 +4.8
+0.1
Smith 146 S Crouch 137 +2.2
Purvis 88.1 McNichols 126.2 -1.8
Flores 137.9 Lassiter 162.9 +1.2
Week of 11/17100.0*Chance in playoffs100.0*Average seed
S Crouch 94.8 Lippincott 100.4 +11.1
+0.7
Lassiter 132.7 Smith 106.6 +3.9
-0.1
McNichols 126 Flores 96.8 -3.9
-0.1
Salsberry 116.8 Metheny 115.8 +2.7
+0.1
M Crouch 127.6 Purvis 133.3 -1.3
-0.2
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Lippincott 79.9 Lassiter 127 -0.2
Purvis 83.2 Salsberry 89.8 +0.2
Games Above .500
Chance Will Make Playoffs