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*Chance wins title100.0*Average seed
Indy 2 Tampa Bay 2 -3.5
-0.1
Minnesota 1 Cosmos 1 +0.7
+0.0
Jacksonville 0 Carolina 4 +0.2
+0.0
Week of 6/6100.0*Chance wins title100.0*Average seed
Tampa Bay 2 Edmonton 1 +1.2
+0.5
Carolina 1 Minnesota 1 +0.1
+0.1
Week of 6/13100.0*Chance wins title100.0*Average seed
Cosmos 3 Jacksonville 3 No
-0.0
Tampa Bay 3 Atlanta 0 +1.3
+0.2
Minnesota 2 Ft. Lauderdale 3 +0.2
Points
Chance Will Win Championship