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
Hagen 3 MadDogs 6 -28.7
-0.3
Week of 8/18100.0*Chowder Cup100.0*Average seed
FraminghamJets 9 Hagen 5 -24.1
-0.3
Franklin 0 MadDogs 1 -8.0
-0.1
MadDogs 6 Franklin 0 -8.0
-0.1
Week of 8/25100.0*Chowder Cup100.0*Average seed
MadDogs 4 MoreysTavern 6 +5.6
+0.1
Badgers 2 Hagen 4 +0.2
Dutchmasters 7 Franklin 4 -0.1
Points
Chance Will Make Playoffs