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 Out
-0.8
OrangeCrush 4 OldSchool 3 +40.3
+0.6
OldSchool 5 LoneWolves 1 -7.4
-0.2
BeerCats 4 Grizzlies 3 +4.7
+0.2
Week of 8/26None
Week of 9/5None
Points
Chance Will Make Playoffs