How are these numbers calculated?

Big Games

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

Week of 2/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Santos 2 Santo Andre 0 +4.0
*No
+0.2
Ituano 1 Red Bull 0 +0.8
+0.0
Mirassol 1 Ponte Preta 0 -0.4
Botafogo 1 Linense 1 +0.1
+0.0
Week of 3/3100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Santo Andre 0 Botafogo 1 -0.2
Red Bull 0 Sao Bento 0 +0.1
Week of 3/7100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Santos 1 Sao Bento 3 -0.2
Novorizontino 2 Santos 1 -0.1
Botafogo 0 Corinthians 2 +0.1
Sao Caetano 0 Botafogo 0 +0.1

* 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