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*Chance wins title100.0*Average seed
Cosmos 1 Rayo OKC 0 -1.7
Minnesota 0 Tampa Bay 2 +1.1
-0.1
Jacksonville 1 Indy 1 +0.5
+0.0
Miami 1 Edmonton 0 +0.1
+0.1
Week of 6/4100.0*Chance wins title100.0*Average seed
Ft. Lauderdale 2 Cosmos 1 +7.5
+1.4
Carolina 0 Jacksonville 0 +0.8
+0.0
Rayo OKC 1 Minnesota 0 +0.6
+0.1
Miami 0 Indy 0 +0.4
+0.0
Tampa Bay 2 Ottawa 1 -0.4
-0.2
Week of 6/11100.0*Chance wins title100.0*Average seed
Edmonton 2 Ft. Lauderdale 1 No
-1.4
Indy 4 Carolina 1 -0.8
Jacksonville 1 Tampa Bay 1 +0.1
-0.1
Minnesota 3 Miami 1 -0.4
Points
Chance Will Win Championship