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*Chance wins title100.0*Average seed
Minnesota 3 Edmonton 1 -1.2
-0.2
Jacksonville 2 Cosmos 4 -1.2
Indy 3 Carolina 0 -0.1
Week of 10/22100.0*Chance wins title100.0*Average seed
Miami 1 Edmonton 0 -0.1
Indy 3 Puerto Rico 0 -0.1
Edmonton 1 Jacksonville 0 +0.1
Week of 10/29None
Points
Chance Will Win Championship