How are these numbers calculated?

Big Games

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

Week of 10/15100.0*Average seed
Jacksonville 2 Cosmos 4 -0.1
Week of 10/22100.0*Average seed
Edmonton 1 Jacksonville 0 -0.3
Indy 3 Puerto Rico 0 +0.1
Tampa Bay 1 Ottawa 1 -0.0
Week of 10/29None
Points
Chance Will Win Championship