How are these numbers calculated?

Big Games

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

Week of 10/18100.0*Chance wins title100.0*Average seed
Indy 1 San Antonio 0 +9.9
+0.1
Minnesota 0 Cosmos 0 -6.6
-0.1
Week of 10/25100.0*Chance wins title100.0*Average seed
Minnesota 0 San Antonio 1 -24.2
-0.2
Week of 11/1100.0*Chance wins title100.0*Average seed
San Antonio 1 Cosmos 0 -25.4
-0.3
Carolina 2 Minnesota 2 -23.1
-0.2
Points
Chance Will Win Championship