How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/3100.0*Chance in playoffs100.0*Average seed
Spruce Grove 52 Jasper Place 27 +2.1
Salisbury 10 Bev Facey 8 -1.2
-0.1
Week of 10/10100.0*Chance in playoffs100.0*Average seed
Bev Facey 31 Harry Ainlay 28 -3.0
-0.8
Jasper Place 63 Ross Shep 10 -2.9
-0.1
Bellerose 14 Spruce Grove 31 +2.2
Salisbury 21 AOB 14 +1.7
+0.1
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Ross Shep 0 AOB 43 -12.5
-0.4
Salisbury 20 Harry Ainlay 29 In
+1.0
Spruce Grove 49 Bev Facey 6 -11.9
+0.1
Bellerose 7 Jasper Place 30 +0.3
+0.0
Games Above .500
Chance Will Make Playoffs