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 -38.2
+1.2
Gremio Barueri 1 Fortaleza 0 -4.4
+0.1
Criciuma 2 Gama 0 +3.2
-0.1
ABC 1 Marilia 1 +0.4
+0.1
Brasiliense 2 Juventude 2 +0.2
+0.0
Parana 1 Ponte Preta 0 +0.1
-0.1
Parana 4 CRB 0 -0.0
Week of 11/21100.0*Serie C100.0*Average seed
Bragantino 0 Fortaleza 1 +12.4
-0.3
Gremio Barueri 3 America-RN 0 +6.5
-0.4
Criciuma 4 Santo Andre 4 -4.0
+0.1
Bahia 2 Marilia 1 -3.0
+0.1
ABC 1 Ponte Preta 1 +0.3
+0.0
Brasiliense 2 Vila Nova 1 -0.2
Ceara 1 Gama 0 -0.1
Week of 11/28100.0*Serie C100.0*Average seed
America-RN 2 Corinthians 0 No
+1.5
Marilia 2 Ceara 1 +27.4
-0.5
Fortaleza 3 Brasiliense 0 +12.7
-0.3
Ponte Preta 3 Criciuma 1 -7.2
+0.1
CRB 1 ABC 3 -0.1
Points
Chance Will Win Championship