How are these numbers calculated?

Big Games

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

Week of 5/30100.0*Average seed
Jacksonville 0 Carolina 4 +1.8
San Antonio 1 Ft. Lauderdale 1 +0.1
Indy 2 Tampa Bay 2 +0.1
Minnesota 1 Cosmos 1 +0.0
Week of 6/6100.0*Average seed
Jacksonville 0 Ottawa 0 +0.3
Tampa Bay 2 Edmonton 1 -0.1
Carolina 1 Minnesota 1 -0.1
Atlanta 0 San Antonio 1 -0.0
Ft. Lauderdale 1 Indy 2 +0.0
Week of 6/13100.0*Average seed
Minnesota 2 Ft. Lauderdale 3 +0.6
Points
Chance Will Win Championship