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
Criciuma 2 Gama 0 -10.6
+0.5
Sao Caetano 1 America-RN 2 +10.0
-0.2
Gremio Barueri 1 Fortaleza 0 -1.3
+0.1
ABC 1 Marilia 1 +1.1
-0.0
Parana 1 Ponte Preta 0 +0.2
Brasiliense 2 Juventude 2 +0.2
Week of 11/21100.0*Serie C100.0*Average seed
Criciuma 4 Santo Andre 4 +16.8
-0.4
Bragantino 0 Fortaleza 1 +8.7
-0.4
Bahia 2 Marilia 1 -3.8
+0.1
Gremio Barueri 3 America-RN 0 -3.4
+0.1
Brasiliense 2 Vila Nova 1 +0.3
-0.0
ABC 1 Ponte Preta 1 +0.3
Week of 11/28100.0*Serie C100.0*Average seed
Ponte Preta 3 Criciuma 1 Yes
-0.4
America-RN 2 Corinthians 0 +6.9
-0.1
Marilia 2 Ceara 1 +4.8
-0.2
Fortaleza 3 Brasiliense 0 +4.3
-0.1
Points
Chance Will Win Championship