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
TonyMontana 8 SlushPuppies 4 +7.4
+0.8
Zamboozers 6 JusttheTip 3 -4.7
-0.1
GhilaniElectric 5 District5 5 -0.3
TheRoughriders 3 JoeysBar 9 -0.2
-0.1
Week of 8/18100.0*Chowder Cup100.0*Average seed
Zamboozers 10 Lumberhacks 4 No
-0.1
Saints 1 TonyMontana 5 +8.1
+0.5
JoeysBar 6 SlushPuppies 11 +0.0
Week of 8/25None
Points
Chance Will Make Playoffs