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 +4.6
+0.2
+0.5
Marauders 2 BluesBrothers 6 -1.8
Brewskis 4 TheFreeAgents 2 +0.6
-0.1
-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 -1.6
+0.1
Marauders 1 Hansons 4 In
+0.5
TheFreeAgents 6 ProTransmission 8 +0.6
+0.1
PWS 2 RustyBlades 8 -0.1
BluesBrothers 3 AlbinoRhinos 0 +0.2
Week of 8/25100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
TheFreeAgents 4 Hansons 6 +0.5
Brewskis 5 Marauders 1 -0.3
ProTransmission 9 AlbinoRhinos 6 +0.2
Points
Chance Will Make Playoffs