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*Relegated100.0*Average seed
Vila Nova/GO 2 Fortaleza/CE 1 No
+1.0
Ipatinga/MG 1 Atlético/GO 0 +0.3
-0.1
Ponte Preta/SP 1 Bahia/BA 3 +0.2
-0.1
Vasco/RJ 2 América/RN 1 -0.1
+0.1
São Caetano/SP 0 Juventude/RS 0 -0.1
+0.1
ABC/RN 6 Brasiliense/DF 2 +0.1
Paraná/PR 3 Campinense/PB 0 -0.1
Figueirense/SC 2 Bragantino/SP 1 +0.0
Portuguesa/SP 1 Duque de Caxias 1 +0.0
Week of 11/21100.0*Relegated100.0*Average seed
Vila Nova/GO 2 Paraná/PR 2 -0.3
Figueirense/SC 1 Duque de Caxias 2 -0.3
Fortaleza/CE 1 São Caetano/SP 2 -0.2
Bahia/BA 2 Guarani/SP 0 -0.1
Bragantino/SP 1 Brasiliense/DF 2 +0.1
Ponte Preta/SP 1 Ceará/CE 2 +0.1
Juventude/RS 1 Atlético/GO 3 +0.0
Week of 11/27100.0*Relegated100.0*Average seed
Brasiliense/DF 2 Vila Nova/GO 1 -0.8
Atlético/GO 0 Bahia/BA 3 -0.5
São Caetano/SP 2 Figueirense/SC 1 -0.3
ABC/RN 0 Bragantino/SP 1 -0.2
Paraná/PR 1 Fortaleza/CE 1 -0.1
Points
Chance Will Win Championship