How are these numbers calculated?

Big Games

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

Week of 10/18100.0*Average seed
Carolina 1 Ft. Lauderdale 1 -0.2
Indy 1 San Antonio 0 -0.2
Atlanta 1 Tampa Bay 1 +0.1
Ottawa 0 Edmonton 2 +0.0
Minnesota 0 Cosmos 0 +0.0
Week of 10/25100.0*Average seed
Atlanta 0 Carolina 2 +0.9
Ottawa 1 Indy 2 -0.2
Ft. Lauderdale 1 Edmonton 0 -0.1
Cosmos 2 Tampa Bay 2 +0.1
Week of 11/1100.0*Average seed
Carolina 2 Minnesota 2 -0.4
San Antonio 1 Cosmos 0 +0.4
Ft. Lauderdale 1 Ottawa 1 -0.1
Tampa Bay 2 Indy 2 +0.1
Points  (Full Screen)
Chance Will Win Championship  (Full Screen)