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
Bahia 4 Bragantino 2 -21.8
+0.7
Criciuma 2 Palmeiras 1 +4.9
-0.2
Corinthians 0 Bahia 0 +4.0
-0.3
Fluminense 2 Atletico-PR 3 -3.9
+0.1
Vasco da Gama 1 Santos 2 +0.9
Internacional 2 Parana 1 -0.5
Santos 1 Vitoria 0 +0.2
Coritiba 0 Flamengo 0 *+0.1
Week of 11/14100.0*Serie B100.0*Average seed
Parana 2 Bahia 1 +20.2
-0.7
Flamengo 3 Fluminense 1 -8.0
+0.2
Bragantino 3 Sao Paulo 4 -6.9
+0.2
Vasco da Gama 4 Criciuma 2 -5.7
+0.2
Gremio 0 Coritiba 2 +0.1
Week of 11/21100.0*Serie B100.0*Average seed
Flamengo 0 Bahia 1 No
+0.6
Vitoria 1 Fluminense 3 +23.7
-0.3
Atletico-PR 1 Criciuma 2 +3.5
-0.3

* 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