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*Average seed
Marauders 2 BluesBrothers 6 +12.9
+0.4
Brewskis 4 TheFreeAgents 2 +7.7
+0.1
Hansons 4 AlbinoRhinos 1 -2.9
Week of 8/18100.0*Chance in playoffs100.0*Average seed
BluesBrothers 3 AlbinoRhinos 0 +20.5
+0.2
Brewskis 3 BluesBrothers 4 +18.6
+0.2
TheFreeAgents 6 ProTransmission 8 +16.2
+0.2
Marauders 1 Hansons 4 -0.5
Week of 8/25100.0*Chance in playoffs100.0*Average seed
TheFreeAgents 4 Hansons 6 In
+0.1
Points
Chance Will Make Playoffs