How are these numbers calculated?

Big Games

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

Week of 9/23100.0*Chance wins title100.0*Average seed
Kickers 1 Rhinos 0 +2.3
+0.6
Week of 10/7100.0*Chance wins title100.0*Average seed
Riverhounds 0 Rhinos 2 +4.8
+0.3
Battery 4 City Islanders 0 No
-0.1
Points
Chance Will Win Championship