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*Average seed
Icemen 4 JunkyardDogs 4 -0.1
Jackals 1 SpruceStreetTavern 1 +0.0
Week of 8/18100.0*Average seed
Jackals 4 JunkyardDogs 2 +0.4
Week of 8/25None
Points
Chance Will Make Playoffs