How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Serie A100.0*Average seed
Boa Esporte 3 Bahia 0 -6.1
-1.0
Botafogo 0 Santa Cruz 3 -3.6
-0.1
Vitoria 1 Ceara 0 -0.7
-0.0
Bragantino 3 Sampaio Correa 0 +0.6
-0.1
Nautico 1 CRB 1 +0.6
+0.1
Paysandu 3 Luverdense 2 -0.3
-0.1
Parana 1 America-MG 0 +0.1
Week of 11/20100.0*Serie A100.0*Average seed
Nautico 1 Bahia 0 -0.6
Paysandu 1 Criciuma 0 -0.2
Parana 0 Bragantino 2 -0.1
Vitoria 3 Luverdense 0 +0.1
CRB 2 Sampaio Correa 1 +0.1
Week of 11/27100.0*Serie A100.0*Average seed
Criciuma 2 CRB 1 +0.2
Bahia 1 Atletico-GO 0 +0.1
Sampaio Correa 1 Parana 1 +0.1
Points
Chance Will Win Championship