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 +2.7
+0.1
VC 26 Breton 24 -1.7
+0.1
Rimbey 44 MIners 13 +0.1
Sedg 0 Ponoka 61 -0.0
Week of 10/28100.0*Chance in playoffs100.0*Average seed
Caroline 12 BMC 64 In
+0.1
Ponoka 48 VC 13 -0.0
Breton 22 MW 70 +0.0
Week of 11/4None
Games Above .500
Chance Will Make Playoffs