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 -24.6
-0.5
Jacksonville 1 Ottawa 3 -7.6
-0.1
Ottawa 1 San Antonio 0 -6.3
-0.1
Week of 10/24100.0*Chance wins title100.0*Average seed
Minnesota 1 Atlanta 0 +3.6
+0.2
San Antonio 1 Cosmos 2 -2.5
-0.3
Week of 10/31100.0*Chance wins title100.0*Average seed
Atlanta 1 Ottawa 1 No
-0.1
Cosmos 2 Tampa Bay 0 No
-0.3
Minnesota 2 San Antonio 2 No
-0.3
Points
Chance Will Win Championship