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 -10.2
-0.5
ProTransmission 5 Blazers 5 +1.9
+0.0
Brewskis 4 TheFreeAgents 2 -0.6
-0.1
Week of 8/18100.0*Chowder Cup100.0*Average seed
TheFreeAgents 6 ProTransmission 8 No
-0.1
Brewskis 3 BluesBrothers 4 +1.9
+0.2
BluesBrothers 3 AlbinoRhinos 0 -0.5
Marauders 1 Hansons 4 -0.2
Week of 8/25100.0*Chowder Cup100.0*Average seed
ProTransmission 9 AlbinoRhinos 6 -0.5
Brewskis 5 Marauders 1 -0.3
TheFreeAgents 4 Hansons 6 -0.3
Points
Chance Will Make Playoffs