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 +10.2
+0.1
Minnesota 0 Cosmos 0 -1.7
-0.0
Week of 10/25100.0*Chance wins title100.0*Average seed
Minnesota 0 San Antonio 1 -14.8
-0.1
Week of 11/1100.0*Chance wins title100.0*Average seed
San Antonio 1 Cosmos 0 -40.9
-0.4
Carolina 2 Minnesota 2 -13.0
-0.1
Points
Chance Will Win Championship