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
Hansons 4 AlbinoRhinos 1 +9.5
+0.1
ProTransmission 5 Blazers 5 -2.3
-0.0
Brewskis 4 TheFreeAgents 2 -0.5
Week of 8/18100.0*Chowder Cup100.0*Average seed
TheFreeAgents 6 ProTransmission 8 Yes
+0.1
Brewskis 3 BluesBrothers 4 +2.2
Week of 8/25None
Points
Chance Will Make Playoffs