How are these numbers calculated?

Big Games

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

Week of 8/19100.0*Chance in playoffs100.0*Average seed
BeerCats 3 Grizzlies 4 In
+0.9
OldSchool 5 LoneWolves 1 -11.1
-0.1
BeerCats 4 Grizzlies 3 -11.1
-0.5
OrangeCrush 4 OldSchool 3 -5.0
+0.1
Week of 8/26None
Week of 9/5None
Points
Chance Will Make Playoffs