How are these numbers calculated?

Big Games

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

Week of 11/7100.0*Serie B100.0*Average seed
Fluminense 2 Atletico-PR 3 +17.2
-0.7
Criciuma 2 Palmeiras 1 +8.0
-0.2
Corinthians 0 Bahia 0 -1.0
+0.0
Vasco da Gama 1 Santos 2 +0.8
-0.1
Internacional 2 Parana 1 -0.4
+0.1
Bahia 4 Bragantino 2 -0.4
Santos 1 Vitoria 0 +0.3
Botafogo 0 Cruzeiro 0 *+0.1
Coritiba 0 Flamengo 0 +0.0
Week of 11/14100.0*Serie B100.0*Average seed
Flamengo 3 Fluminense 1 +20.8
-0.6
Parana 2 Bahia 1 -7.0
+0.1
Bragantino 3 Sao Paulo 4 -6.1
+0.2
Vasco da Gama 4 Criciuma 2 -5.1
+0.1
Gremio 0 Coritiba 2 +0.1
Week of 11/21100.0*Serie B100.0*Average seed
Vitoria 1 Fluminense 3 -44.0
+0.8
Flamengo 0 Bahia 1 +18.1
-0.3
Atletico-PR 1 Criciuma 2 +8.9
-0.2
Bragantino 1 Internacional 0 -0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs