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*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Hansons 4 AlbinoRhinos 1 +0.2
+0.4
Marauders 2 BluesBrothers 6 -0.1
Brewskis 4 TheFreeAgents 2 +0.0
ProTransmission 5 Blazers 5 No
Week of 8/18100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
Brewskis 3 BluesBrothers 4 -0.1
+0.3
Marauders 1 Hansons 4 In
+0.1
TheFreeAgents 6 ProTransmission 8 +0.0
BluesBrothers 3 AlbinoRhinos 0 +0.3
Week of 8/25100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
TheFreeAgents 4 Hansons 6 +0.3
ProTransmission 9 AlbinoRhinos 6 +0.1
Brewskis 5 Marauders 1 -0.1
Points
Chance Will Make Playoffs