How are these numbers calculated?

Big Games

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

Week of 10/21100.0*Chance in playoffs100.0*Average seed
Caroline 47 Trojans 57 +5.8
+0.8
VC 26 Breton 24 +1.9
Rimbey 44 MIners 13 +0.3
+0.0
Week of 10/28100.0*Chance in playoffs100.0*Average seed
MIners 43 Trojans 20 Out
-1.5
Rimbey 72 Hinton 46 +6.3
+0.1
Breton 22 MW 70 +4.6
+0.1
Week of 11/4None
Games Above .500
Chance Will Make Playoffs