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
BLConstruction 1 SwissTrillium 5 In
+14.8
+0.4
Lux 4 TheHawks 4 -1.3
+7.5
+0.1
Week of 8/18100.0*Chance in playoffs100.0*Chowder Cup100.0*Average seed
SwissTrillium 2 IceDogs 3 No
-1.2
Lux 7 BLConstruction 1 -4.2
-0.1
Week of 8/25None
Points
Chance Will Make Playoffs