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 -16.8
+0.6
Santa Cruz 1 Ponte Preta 1 -2.3
+0.1
Marilia 4 Santo Andre 2 -2.0
+0.1
Avai 1 Coritiba 0 +1.5
Gama 0 Ipatinga 2 -1.2
CRB 2 Criciuma 0 +1.1
Ceara 1 Brasiliense 3 +0.2
Week of 11/13100.0*Serie C100.0*Average seed
Criciuma 1 Paulista 2 -35.5
+1.3
Barueri 0 Gama 2 +18.0
-0.3
Fortaleza 2 Paulista 1 +12.8
-0.7
Santo Andre 3 Avai 0 +8.8
-0.1
Santo Andre 1 Gama 0 +5.7
-0.1
Brasiliense 3 Santa Cruz 0 -4.2
+0.1
Criciuma 2 Santa Cruz 0 -1.5
+0.0
Ituano 0 CRB 1 +0.7
-0.1
Ponte Preta 1 Ceara 1 +0.2
Fortaleza 0 Sao Caetano 1 +0.1
Ponte Preta 0 Avai 0 +0.1
Week of 11/24100.0*Serie C100.0*Average seed
Paulista 2 Ipatinga 5 Yes
-0.4
Ceara 1 Santo Andre 2 +11.1
-0.2
Gama 1 Vitoria 0 +4.4
-0.1
Avai 4 Ituano 0 +2.0
-0.1
Points
Chance Will Win Championship