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
Lumberhacks 2 TheStickyBandits 4 +13.8
+0.5
TheRoughriders 3 JoeysBar 9 +11.8
+0.1
Week of 8/18100.0*Chance in playoffs100.0*Average seed
TheStickyBandits 9 TheRoughriders 8 In
+0.4
Jackals 4 JunkyardDogs 2 *-0.3
JoeysBar 6 SlushPuppies 11 -0.2
TheStickyBandits 6 TheRoughriders 6 -0.2
Week of 8/25None

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs