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
Ottawa 0 Edmonton 2 +0.4
Carolina 1 Ft. Lauderdale 1 +0.1
Week of 10/25100.0*Average seed
Ft. Lauderdale 1 Edmonton 0 -0.4
Minnesota 0 San Antonio 1 -0.1
Week of 11/1100.0*Average seed
Edmonton 2 Atlanta 1 +0.2
Ft. Lauderdale 1 Ottawa 1 +0.2
Carolina 2 Minnesota 2 +0.0
San Antonio 1 Cosmos 0 +0.0
Points
Chance Will Win Championship