How are these numbers calculated?

Big Games

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

Week of 11/6100.0*Serie A100.0*Serie C100.0*Average seed
Gama 0 Ipatinga 2 No
+4.1
-1.3
Paulista 3 Vitoria 0 +0.1
+1.4
-0.1
Remo 3 Fortaleza 2 +0.1
+0.1
CRB 2 Criciuma 0 +0.1
+0.6
-0.1
Portuguesa 6 Barueri 2 -0.0
+0.1
Marilia 4 Santo Andre 2 -1.1
Ceara 1 Brasiliense 3 +0.1
-0.1
Sao Caetano 2 Ituano 2 +0.0
Avai 1 Coritiba 0 +0.7
-0.2
Santa Cruz 1 Ponte Preta 1 -0.5
+0.1
Week of 11/13100.0*Serie A100.0*Serie C100.0*Average seed
Barueri 0 Gama 2 -34.3
+1.8
Santo Andre 1 Gama 0 +14.7
-1.5
Santo Andre 3 Avai 0 +9.5
-0.1
Fortaleza 2 Paulista 1 -8.2
+0.2
Criciuma 1 Paulista 2 +3.7
-0.1
Brasiliense 3 Santa Cruz 0 -2.9
Ituano 0 CRB 1 +1.7
-0.2
Criciuma 2 Santa Cruz 0 -0.8
+0.0
Ponte Preta 1 Ceara 1 +0.7
-0.0
Fortaleza 0 Sao Caetano 1 +0.3
-0.1
Ponte Preta 0 Avai 0 +0.2
+0.1
Vitoria 4 CRB 1 -0.2
+0.1
Week of 11/24100.0*Serie A100.0*Serie C100.0*Average seed
Gama 1 Vitoria 0 No
+2.6
Paulista 2 Ipatinga 5 No
+0.1
Avai 4 Ituano 0 +3.0
-0.3
Ceara 1 Santo Andre 2 +3.0
-0.2
Remo 0 Ponte Preta 1 -0.3
Sao Caetano 1 Brasiliense 0 -0.2
Points
Chance Will Win Championship