How are these numbers calculated?

Big Games

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

Week of 3/23100.0*Average seed
ThePeterNorthstars 1 SlushPuppies 3 +0.2
Samsquanch 7 Meatballs 3 +0.2
Blizzard 5 MightyPylons 5 -0.0
Week of 3/29100.0*Average seed
SlushPuppies 8 Blizzard 7 +0.3
Week of 4/8None
Points
Chance Will Make Playoffs