How are these numbers calculated?

Big Games

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

Week of 10/17100.0*Chance wins title100.0*Average seed
Indy 3 Minnesota 1 -12.4
Ottawa 1 San Antonio 0 -7.6
Jacksonville 1 Ottawa 3 No
Week of 10/24None
Week of 10/31None
Chance Will Win Championship