How are these numbers calculated?

Big Games

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

Week of 8/18None
Week of 8/23100.0*Chance in playoffs100.0*Average seed
WildTurkeys 3 StevesPizza 6 -22.2
-0.3
SwissTrillium 4 Lowen 3 +8.1
+0.1
PhoenixThrashers 4 Lux 5 -4.5
-0.1
Week of 8/31None
Points
Chance Will Make Playoffs