How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie C100.0*Average seed
Sao Caetano 1 America-RN 2 +1.1
-0.1
Gremio Barueri 1 Fortaleza 0 -0.7
+0.0
ABC 1 Marilia 1 -0.7
-0.5
Criciuma 2 Gama 0 +0.4
Parana 1 Ponte Preta 0 -0.2
Brasiliense 2 Juventude 2 +0.1
Ceara 2 Santo Andre 3 +0.2
Bahia 2 CRB 0 -0.1
Parana 4 CRB 0 -0.1
Sao Caetano 2 Juventude 1 -0.0
Week of 11/21100.0*Serie C100.0*Average seed
Bragantino 0 Fortaleza 1 +1.7
-0.1
ABC 1 Ponte Preta 1 -0.7
-0.3
Bahia 2 Marilia 1 -0.3
+0.0
Gremio Barueri 3 America-RN 0 -0.3
+0.1
Criciuma 4 Santo Andre 4 -0.1
+0.0
Brasiliense 2 Vila Nova 1 -0.2
Ceara 1 Gama 0 -0.2
Week of 11/28100.0*Serie C100.0*Average seed
America-RN 2 Corinthians 0 +1.7
-0.5
Marilia 2 Ceara 1 +0.5
-0.1
Fortaleza 3 Brasiliense 0 +0.4
CRB 1 ABC 3 No
+0.6
Points
Chance Will Win Championship