How are these numbers calculated?

Big Games

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

Week of 6/15100.0*Chance wins title100.0*Average seed
Ft. Lauderdale 0 Atlanta 1 -9.1
-0.1
Edmonton 1 Carolina 1 -3.7
-0.0
Tampa Bay 1 San Antonio 2 +1.4
Week of 6/22100.0*Chance wins title100.0*Average seed
Carolina 3 Minnesota 2 +16.9
+0.4
Atlanta 1 Tampa Bay 2 +14.3
+0.1
San Antonio 2 Edmonton 1 -0.5
-0.1
Week of 6/29100.0*Chance wins title100.0*Average seed
San Antonio 2 Carolina 0 -33.6
-0.4
Minnesota 0 Atlanta 3 -21.4
-0.3
Ft. Lauderdale 1 San Antonio 4 -1.8
-0.1
Edmonton 3 Minnesota 1 +1.8
+0.0
Carolina 1 Atlanta 1 +0.2
+0.0
Points
Chance Will Win Championship