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 +12.2
+0.1
Ottawa 1 San Antonio 0 +2.9
+0.0
Jacksonville 1 Ottawa 3 Yes
Week of 10/24None
Week of 10/31None
Points
Chance Will Win Championship