How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/19100.0*Average seed
PeterNorthstars 5 DirtyMikeandtheBoys 6 +0.7
Winterhawks 8 IceDogs 3 -0.2
CarpetAngels 4 PuckBuddies 5 +0.2
FraminghamJets 4 Lumberhacks 3 +0.1
Week of 8/26100.0*Average seed
MooseKnuckles 0 DirtyMikeandtheBoys 1 +0.4
CarpetAngels 6 DirtyMikeandtheBoys 2 -0.3
PuckBuddies 5 Lumberhacks 3 +0.3
Winterhawks 2 PeterNorthstars 2 (ot)-0.1
Hagen 6 CarpetAngels 6 (ot)-0.1
Week of 9/5None
Points
Chance Will Make Playoffs