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
Minnesota 1 Cosmos 1 +3.3
+0.0
Indy 2 Tampa Bay 2 +3.0
+0.0
Jacksonville 0 Carolina 4 +0.7
Week of 6/6100.0*Chance wins title100.0*Average seed
Tampa Bay 2 Edmonton 1 -1.1
Carolina 1 Minnesota 1 +0.7
Week of 6/13100.0*Chance wins title100.0*Average seed
Cosmos 3 Jacksonville 3 Yes
+0.0
Tampa Bay 3 Atlanta 0 -1.3
Points
Chance Will Win Championship