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 -3.0
+0.1
-0.9
Penapolense 3 Guarani 0 -2.0
-0.0
Mogi Mirim 2 Paulista 0 +0.1
Paulista 2 Ituano 3 +0.1
+0.1
A. Sorocaba 1 Oeste 0 +0.1
-0.9
U. Barbarense 1 Sao Paulo 2 -0.1
Corinthians 2 Sao Bernardo 0 +0.1
Week of 4/13100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 No
+0.1
Sao Paulo 0 XV Piracicaba 1 +0.2
-0.4
Sao Bernardo 1 Mogi Mirim 2 +0.0
Week of 4/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Oeste 0 Sao Bernardo 4 -1.6
Ituano 2 Palmeiras 1 -0.3
Sao Caetano 0 Paulista 2 -0.3
Corinthians 2 A. Sorocaba 0 +0.2
XV Piracicaba 4 Botafogo-SP 1 -0.2
Points
Chance Will Make Playoffs