How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie A100.0*Average seed
Nautico 1 Luverdense 0 No
-0.6
Sampaio Correa 3 Boa Esporte 0 -0.2
America-MG 3 Avai 0 -0.1
Ceara 2 Vasco da Gama 0 -0.1
Luverdense 1 America-MG 2 -0.7
ABC 1 Ceara 0 -0.1
Atletico-GO 1 Bragantino 0 +0.0
Oeste 2 Nautico 0 +0.1
Icasa 1 Parana 2 -0.2
Santa Cruz 0 Sampaio Correa 2 -0.1
Week of 11/21100.0*Serie A100.0*Average seed
Vila Nova 3 ABC 5 -0.3
America-RN 1 Nautico 0 +0.1
Bragantino 1 Parana 1 +0.0
Week of 11/29100.0*Serie A100.0*Average seed
Luverdense 1 Ceara 0 +0.9
ABC 0 Bragantino 2 +0.3
Parana 4 America-RN 1 -0.2
Oeste 1 Joinville 0 -0.2
Nautico 1 Ponte Preta 1 +0.2
Points
Chance Will Win Championship