How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Serie C100.0*Average seed
Bragantino 5 Vila Nova 1 No
-0.1
Sao Caetano 0 America-MG 0 No
-0.3
Ipatinga 2 Duque de Caxias 0 +0.1
ASA 0 Parana 1 -0.1
Ponte Preta 0 Icasa 1 +0.0
Week of 11/19100.0*Serie C100.0*Average seed
Sao Caetano 1 Duque de Caxias 0 +1.5
ASA 1 America-RN 2 +0.3
Icasa 2 Coritiba 2 +0.1
Brasiliense 2 Ponte Preta 1 +0.1
Parana 0 Bragantino 0 +0.0
Week of 11/26100.0*Serie C100.0*Average seed
Vila Nova 2 Sao Caetano 1 -1.1
Bragantino 2 Bahia 0 -0.2
Figueirense 4 Parana 2 +0.1
Duque de Caxias 1 ASA 1 +0.1
Points
Chance Will Win Championship