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 +12.3
+0.1
Smith 146 S Crouch 137 +8.9
Lippincott 124.4 Salsberry 80.3 +2.5
+0.1
Purvis 88.1 McNichols 126.2 -1.2
-0.2
Flores 137.9 Lassiter 162.9 -0.1
Week of 11/17100.0*Chance in playoffs100.0*Average seed
S Crouch 94.8 Lippincott 100.4 +51.4
+1.4
Salsberry 116.8 Metheny 115.8 +8.0
+0.3
McNichols 126 Flores 96.8 -1.4
-0.0
Lassiter 132.7 Smith 106.6 +1.0
+0.0
M Crouch 127.6 Purvis 133.3 -0.7
-0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Purvis 83.2 Salsberry 89.8 +0.3
Lippincott 79.9 Lassiter 127 -0.1
Games Above .500
Chance Will Make Playoffs