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
Ft. Lauderdale 2 Puerto Rico 0 -0.6
Rayo OKC 3 Ottawa 1 +0.1
Indy 3 Carolina 0 +0.0
Jacksonville 2 Cosmos 4 +0.0
Week of 10/22100.0*Average seed
Indy 3 Puerto Rico 0 -0.2
Edmonton 1 Jacksonville 0 +0.1
Tampa Bay 1 Ottawa 1 -0.0
Week of 10/29100.0*Average seed
Puerto Rico 2 Carolina 1 +0.6
Ottawa 0 Ft. Lauderdale 1 +0.2
Points
Chance Will Win Championship