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 No
-0.3
Tampa Bay 1 San Antonio 2 -0.1
Edmonton 1 Carolina 1 -0.0
Week of 6/22100.0*Chance wins title100.0*Average seed
Atlanta 1 Tampa Bay 2 -0.1
Week of 6/29100.0*Chance wins title100.0*Average seed
Ft. Lauderdale 1 San Antonio 4 -0.1
Points
Chance Will Win Championship