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
Meatballs 3 Saints 6 +10.3
Shocker 4 YYZ 7 +2.0
+0.2
GhilaniElectric 5 District5 5 +0.1
Week of 8/18100.0*Chowder Cup100.0*Average seed
Meatballs 1 Shocker 0 No
-0.2
YYZ 3 GhilaniElectric 9 No
-0.5
Saints 1 TonyMontana 5 +2.3
+0.2
DC 7 TeamAmerica 5 +0.3
Week of 8/25None
Points
Chance Will Make Playoffs