How are these numbers calculated?

Big Games

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

Week of 5/28100.0*Average seed
Minnesota 0 Tampa Bay 2 -0.1
Cosmos 1 Rayo OKC 0 +0.1
Miami 1 Edmonton 0 -0.1
Jacksonville 1 Indy 1 -0.0
Week of 6/4100.0*Average seed
Tampa Bay 2 Ottawa 1 -0.3
Rayo OKC 1 Minnesota 0 -0.2
Ft. Lauderdale 2 Cosmos 1 -0.1
Miami 0 Indy 0 +0.0
Carolina 0 Jacksonville 0 +0.0
Week of 6/11100.0*Average seed
Minnesota 3 Miami 1 +0.2
Ottawa 1 Rayo OKC 1 -0.1
Jacksonville 1 Tampa Bay 1 +0.1
Points
Chance Will Win Championship