How are these numbers calculated?

Big Games

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

Week of 5/24100.0*Chance wins title100.0*Average seed
Minnesota 0 Carolina 0 -2.9
-0.2
Tampa Bay 3 Ft. Lauderdale 2 +1.2
+0.0
Ottawa 2 San Antonio 3 -0.6
-0.1
Cosmos 1 Indy 1 +0.2
+0.0
Edmonton 1 Atlanta 2 -0.0
Week of 5/31100.0*Chance wins title100.0*Average seed
Carolina 2 Tampa Bay 0 +2.5
+1.3
Atlanta 1 Minnesota 2 No
+0.1
Indy 1 San Antonio 2 -0.7
-0.2
Ft. Lauderdale 0 Cosmos 3 -0.4
Ottawa 1 Edmonton 0 -0.1
Week of 6/7100.0*Chance wins title100.0*Average seed
Edmonton 6 Carolina 1 -0.3
San Antonio 2 Ft. Lauderdale 2 +0.2
Cosmos 1 Ottawa 0 -0.1
Points
Chance Will Win Championship