How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Serie B100.0*Average seed
Sao Paulo 4 Figueirense 2 -3.3
+0.1
Atletico-MG 1 Coritiba 0 -1.8
+0.1
Atletico-PR 2 Sao Caetano 2 +1.6
-0.5
Parana 0 Flamengo 1 +1.2
-0.2
Vasco da Gama 4 Paysandu 0 -0.7
-0.1
Juventude 2 Goias 1 +0.6
-0.2
Ponte Preta 2 Palmeiras 6 -0.5
+0.1
Fortaleza 5 Fluminense 1 +0.2
-0.2
Week of 11/27100.0*Serie B100.0*Average seed
Brasiliense 0 Figueirense 2 +7.7
-0.3
Sao Caetano 1 Coritiba 1 -6.5
-0.2
Atletico-MG 0 Vasco da Gama 0 -1.8
Corinthians 3 Ponte Preta 1 -1.6
+0.2
Flamengo 0 Goias 0 +0.1
-0.0
Fluminense 1 Juventude 2 -0.1
Fortaleza 1 Sao Paulo 0 -0.1
Week of 12/4100.0*Serie B100.0*Average seed
Coritiba 1 Internacional 0 +14.6
-0.2
Cruzeiro 1 Sao Caetano 3 No
+1.0
Ponte Preta 3 Brasiliense 1 +4.6
-0.3
Figueirense 3 Santos 1 -0.3
Paysandu 1 Flamengo 4 -0.1
Points
Chance Will Win Championship