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
Ipatinga/MG 1 Atlético/GO 0 +3.8
-0.3
Ponte Preta/SP 1 Bahia/BA 3 +2.7
-0.2
Vasco/RJ 2 América/RN 1 -1.5
+0.1
ABC/RN 6 Brasiliense/DF 2 -1.4
+0.2
Vila Nova/GO 2 Fortaleza/CE 1 -1.3
-0.1
São Caetano/SP 0 Juventude/RS 0 -1.0
-0.4
Week of 11/21100.0*Relegated100.0*Average seed
Bragantino/SP 1 Brasiliense/DF 2 +8.3
-0.3
América/RN 1 Ipatinga/MG 0 +7.8
-0.1
Juventude/RS 1 Atlético/GO 3 +7.0
-0.7
Bahia/BA 2 Guarani/SP 0 +1.1
-0.3
Figueirense/SC 1 Duque de Caxias 2 -0.1
Week of 11/27100.0*Relegated100.0*Average seed
Guarani/SP 2 Juventude/RS 1 Yes
-0.7
Ipatinga/MG 2 Vasco/RJ 0 +16.2
-0.3
Brasiliense/DF 2 Vila Nova/GO 1 +0.7
-0.2
Ceará/CE 0 América/RN 0 -0.2
+0.1
Points
Chance Will Win Championship