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*Average seed
Penapolense 3 Guarani 0 -5.6
-0.1
Linense 3 Oeste 1 -0.9
-0.1
Botafogo-SP 1 Sao Paulo 3 +0.7
Ponte Preta 1 Palmeiras 2 -0.5
Corinthians 2 Sao Bernardo 0 -0.1
Mogi Mirim 2 Paulista 0 +0.0
A. Sorocaba 1 Oeste 0 +0.1
Week of 4/13100.0*Chance in playoffs100.0*Average seed
Botafogo-SP 1 Bragantino 0 Out
-0.4
Linense 2 Corinthians 1 -0.6
-0.3
Penapolense 1 Sao Caetano 1 +0.3
+0.0
Sao Paulo 0 XV Piracicaba 1 -0.1
Week of 4/21100.0*Chance in playoffs100.0*Average seed
XV Piracicaba 4 Botafogo-SP 1 -0.5
Bragantino 0 Ponte Preta 0 -0.1
Mirassol 3 Linense 0 +0.1
Points
Chance Will Make Playoffs