How are these numbers calculated?

Big Games

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

Week of 10/14100.0*Chance wins title100.0*Average seed
Indy 0 Miami 3 -10.9
-0.1
San Francisco 2 Miami 2 -10.3
-0.1
San Francisco 3 Puerto Rico 0 +9.7
+0.2
Week of 10/21100.0*Chance wins title100.0*Average seed
Edmonton 0 Miami 2 -22.8
-0.2
North Carolina 1 San Francisco 1 +2.8
+0.1
Week of 10/28100.0*Chance wins title100.0*Average seed
Miami 2 Edmonton 1 No
-0.2
San Francisco 0 Jacksonville 2 No
-0.2
Points
Chance Will Win Championship