How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Chance wins title100.0*Serie A100.0*Average seed
Figueirense 1 America-MG 2 +18.2
Yes
+0.4
Internacional 1 Vila Nova 1 +3.8
+0.1
+0.0
Goias 0 Ceara 0 +1.0
+0.0
Nautico 1 Londrina 2 -0.2
Week of 11/17100.0*Chance wins title100.0*Serie A100.0*Average seed
Goias 0 Internacional 2 -9.3
-0.1
Criciuma 1 Ceara 1 +1.4
Londrina 0 America-MG 0 +0.6
+0.0
Week of 11/24100.0*Chance wins title100.0*Serie A100.0*Average seed
Internacional 2 Guarani 0 -38.4
-0.4
America-MG 1 CRB 0 Yes
+0.2
Points
Chance Will Win Championship