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 -0.7
-0.1
-0.1
Internacional 1 Vila Nova 1 +0.4
+0.7
Goias 0 Ceara 0 +0.1
+0.4
+0.0
Nautico 1 Londrina 2 -1.2
Week of 11/17100.0*Chance wins title100.0*Serie A100.0*Average seed
CRB 0 Parana 1 +21.3
+0.5
ABC 2 Oeste 0 +10.5
+0.2
Londrina 0 America-MG 0 +6.1
+0.1
Criciuma 1 Ceara 1 -0.4
-0.0
Nautico 1 Vila Nova 2 -0.3
Goias 0 Internacional 2 -0.0
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