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
ABC/RN 6 Brasiliense/DF 2 +12.7
-1.1
Ipatinga/MG 1 Atlético/GO 0 +3.9
-0.3
Ponte Preta/SP 1 Bahia/BA 3 +2.9
-0.2
Vasco/RJ 2 América/RN 1 -1.8
+0.1
Vila Nova/GO 2 Fortaleza/CE 1 -1.4
-0.1
São Caetano/SP 0 Juventude/RS 0 +0.1
Week of 11/21100.0*Relegated100.0*Average seed
Bragantino/SP 1 Brasiliense/DF 2 -35.0
+1.3
América/RN 1 Ipatinga/MG 0 +11.4
-0.1
Juventude/RS 1 Atlético/GO 3 -1.4
+0.1
Bahia/BA 2 Guarani/SP 0 +0.8
-0.2
Fortaleza/CE 1 São Caetano/SP 2 -0.6
Vila Nova/GO 2 Paraná/PR 2 -0.0
Week of 11/27100.0*Relegated100.0*Average seed
Ipatinga/MG 2 Vasco/RJ 0 +6.8
-0.4
Brasiliense/DF 2 Vila Nova/GO 1 No
+0.8
Guarani/SP 2 Juventude/RS 1 No
+0.2
Ceará/CE 0 América/RN 0 +1.3
-0.1
Atlético/GO 0 Bahia/BA 3 -0.2
Points
Chance Will Win Championship