How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Chowder Cup100.0*Average seed
Blizzard 8 Neoscape 3 +15.8
+0.3
LuckyPucks 4 TheCranston 4 -0.0
Week of 8/18100.0*Chowder Cup100.0*Average seed
LuckyPucks 8 Blizzard 4 -38.0
-0.4
GhilaniElectric 5 Neoscape 4 +25.6
+0.3
Dangleberries 2 Neoscape 2 +16.7
+0.2
Blizzard 4 TheCranston 3 +11.3
+0.2
Week of 8/25None
Points
Chance Will Make Playoffs