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
BeerCats 4 Grizzlies 3 +0.2
OrangeCrush 4 OldSchool 3 +0.1
Week of 8/26None
Week of 9/5None
Points
Chance Will Make Playoffs