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*Chance in playoffs100.0*Average seed
CarpetAngels 4 PuckBuddies 5 -0.7
Hagen 8 SlapShot 6 In
DragonSlayers 5 YYZ 4 +0.1
Winterhawks 8 IceDogs 3 +0.1
Week of 8/26100.0*Chance in playoffs100.0*Average seed
CarpetAngels 6 DirtyMikeandtheBoys 2 +0.6
SlapShot 8 IceDogs 4 +0.4
Winterhawks 2 PeterNorthstars 2 (ot)+0.2
Hagen 6 CarpetAngels 6 (ot)+0.1
MooseKnuckles 0 DirtyMikeandtheBoys 1 -0.1
Week of 9/5None
Points
Chance Will Make Playoffs