How are these numbers calculated?

Big Games

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

Week of 9/23100.0*Average seed
Cavalry 2 Valour 1 -0.2
Vancouver 2 Wanderers 1 -0.2
Ottawa 0 Valour 1 +0.2
Week of 9/30100.0*Average seed
Pacific 1 Vancouver 2 -0.2
Week of 10/7None
Points
Chance Will Make Playoffs