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*Average seed
Figueirense/SC 2 Bragantino/SP 1 -0.7
Paraná/PR 3 Campinense/PB 0 -0.2
Ponte Preta/SP 1 Bahia/BA 3 +0.1
Vila Nova/GO 2 Fortaleza/CE 1 -0.1
São Caetano/SP 0 Juventude/RS 0 +0.1
Portuguesa/SP 1 Duque de Caxias 1 +0.1
Week of 11/21100.0*Average seed
Bragantino/SP 1 Brasiliense/DF 2 -0.9
Fortaleza/CE 1 São Caetano/SP 2 -0.3
Figueirense/SC 1 Duque de Caxias 2 -0.2
Vila Nova/GO 2 Paraná/PR 2 +0.2
Ponte Preta/SP 1 Ceará/CE 2 +0.1
Bahia/BA 2 Guarani/SP 0 -0.1
Week of 11/27100.0*Average seed
ABC/RN 0 Bragantino/SP 1 +1.9
Atlético/GO 0 Bahia/BA 3 -0.3
São Caetano/SP 2 Figueirense/SC 1 -0.2
Duque de Caxias 4 Ponte Preta/SP 1 -0.2
Paraná/PR 1 Fortaleza/CE 1 +0.1
Points
Chance Will Win Championship