How are these numbers calculated?

Big Games

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

Week of 8/19100.0*Chowder Cup100.0*Average seed
CochituateRunners 4 ProTransmission 4 (ot)-14.5
-0.1
PipeHitters 4 EClinicalWorks 4 (ot)+0.1
Week of 8/26100.0*Chowder Cup100.0*Average seed
Mulligans 8 MiddlesexOffenders 2 No
-0.3
Week of 9/5None
Points
Chance Will Make Playoffs