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
Marilia 4 Santo Andre 2 +8.3
-0.6
Paulista 3 Vitoria 0 +7.8
-0.2
Santa Cruz 1 Ponte Preta 1 -6.2
+0.1
Avai 1 Coritiba 0 +2.0
-0.1
CRB 2 Criciuma 0 +1.1
-0.1
Gama 0 Ipatinga 2 -0.7
+0.1
Ceara 1 Brasiliense 3 +0.2
Sao Caetano 2 Ituano 2 -0.1
+0.0
Week of 11/13100.0*Serie C100.0*Average seed
Santo Andre 3 Avai 0 -25.6
+1.0
Santo Andre 1 Gama 0 -21.8
+0.8
Criciuma 1 Paulista 2 +15.3
-0.3
Barueri 0 Gama 2 +10.5
-0.4
Brasiliense 3 Santa Cruz 0 -4.1
+0.1
Fortaleza 2 Paulista 1 -2.7
+0.1
Ituano 0 CRB 1 +1.2
-0.2
Ponte Preta 1 Ceara 1 +0.5
+0.1
Fortaleza 0 Sao Caetano 1 +0.5
-0.1
Criciuma 2 Santa Cruz 0 -0.4
Ponte Preta 0 Avai 0 +0.1
Vitoria 4 CRB 1 -0.1
Ipatinga 1 Sao Caetano 0 +0.0
Week of 11/24100.0*Serie C100.0*Average seed
Ceara 1 Santo Andre 2 No
+3.0
Paulista 2 Ipatinga 5 No
+0.2
Avai 4 Ituano 0 +2.7
-0.2
Gama 1 Vitoria 0 -0.2
Remo 0 Ponte Preta 1 -0.2
Sao Caetano 1 Brasiliense 0 -0.1
CRB 4 Barueri 1 -0.0
Points
Chance Will Win Championship