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 C100.0*Average seed
Paulista 3 Vitoria 0 -20.4
+0.8
Marilia 4 Santo Andre 2 -4.0
+0.1
Avai 1 Coritiba 0 +2.1
-0.1
CRB 2 Criciuma 0 +1.8
-0.1
Santa Cruz 1 Ponte Preta 1 -1.3
+0.0
Gama 0 Ipatinga 2 -1.1
+0.1
Ceara 1 Brasiliense 3 +0.4
Sao Caetano 2 Ituano 2 +0.1
Week of 11/13100.0*Serie C100.0*Average seed
Criciuma 1 Paulista 2 -26.1
+1.1
Fortaleza 2 Paulista 1 +22.9
-1.3
Barueri 0 Gama 2 +11.2
-0.2
Santo Andre 3 Avai 0 +8.1
-0.1
Brasiliense 3 Santa Cruz 0 -7.6
+0.2
Santo Andre 1 Gama 0 +4.7
-0.1
Criciuma 2 Santa Cruz 0 -1.7
+0.0
Ituano 0 CRB 1 +1.2
-0.2
Ponte Preta 1 Ceara 1 +0.5
-0.0
Ponte Preta 0 Avai 0 +0.4
Fortaleza 0 Sao Caetano 1 +0.3
-0.1
Vitoria 4 CRB 1 -0.2
+0.1
Barueri 2 Ceara 1 +0.1
Week of 11/24100.0*Serie C100.0*Average seed
Paulista 2 Ipatinga 5 Yes
-0.4
Gama 1 Vitoria 0 +5.3
-0.1
Ceara 1 Santo Andre 2 +5.3
-0.1
Avai 4 Ituano 0 +5.3
-0.1
Points
Chance Will Win Championship