How are these numbers calculated?

Big Games

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

Week of 8/17100.0*Average seed
PondScum 5 ThornyDevils 4 +0.8
Nordiques 2 Bombers 6 -0.3
Week of 8/25None
Week of 9/2None
Points
Chance Will Make Playoffs