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
Goias 0 Ceara 0 -2.9
-0.4
-0.1
Figueirense 1 America-MG 2 -2.8
-0.1
-0.1
Internacional 1 Vila Nova 1 +1.4
+0.8
+0.0
Nautico 1 Londrina 2 -1.8
Week of 11/17100.0*Chance wins title100.0*Serie A100.0*Average seed
Londrina 0 America-MG 0 No
+2.1
Criciuma 1 Ceara 1 No
+1.6
-0.1
Goias 0 Internacional 2 -0.5
-0.2
CRB 0 Parana 1 -2.2
-0.2
ABC 2 Oeste 0 +1.2
Week of 11/24100.0*Chance wins title100.0*Serie A100.0*Average seed
Ceara 1 ABC 0 +0.3
Parana 1 Boa Esporte 1 -0.1
Points
Chance Will Win Championship