How are these numbers calculated?

Big Games

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

Week of 4/6100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Linense 3 Oeste 1 +6.9
*No
+0.9
Penapolense 3 Guarani 0 -3.8
-0.1
Ponte Preta 1 Palmeiras 2 -0.9
Corinthians 2 Sao Bernardo 0 -0.7
Botafogo-SP 1 Sao Paulo 3 +0.5
Mogi Mirim 2 Paulista 0 +0.1
A. Sorocaba 1 Oeste 0 +0.1
Week of 4/13100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Linense 2 Corinthians 1 +22.3
+0.7
Penapolense 1 Sao Caetano 1 +1.4
+0.0
Botafogo-SP 1 Bragantino 0 -0.7
+0.2
Sao Paulo 0 XV Piracicaba 1 -0.1
Week of 4/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mirassol 3 Linense 0 Out
-0.4
Santos 2 Penapolense 1 +12.4
+0.1
Bragantino 0 Ponte Preta 0 +0.0

* 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