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
Ponte Preta 1 Palmeiras 2 In
+1.1
Linense 3 Oeste 1 -0.3
Penapolense 3 Guarani 0 -0.3
-0.1
Botafogo-SP 1 Sao Paulo 3 +0.1
+0.2
Corinthians 2 Sao Bernardo 0 -0.1
Mogi Mirim 2 Paulista 0 -0.1
Week of 4/13100.0*Chance in playoffs100.0*Average seed
Palmeiras 4 Guarani 1 +0.5
Linense 2 Corinthians 1 +0.2
U. Barbarense 0 Santos 4 -0.1
Sao Bernardo 1 Mogi Mirim 2 -0.1
Ponte Preta 2 Mirassol 0 -0.1
Botafogo-SP 1 Bragantino 0 -0.1
Week of 4/21100.0*Chance in playoffs100.0*Average seed
Ituano 2 Palmeiras 1 -1.2
Santos 2 Penapolense 1 -0.2
Mogi Mirim 1 Sao Paulo 0 -0.2
Corinthians 2 A. Sorocaba 0 -0.2
XV Piracicaba 4 Botafogo-SP 1 +0.1
Bragantino 0 Ponte Preta 0 -0.1
Points
Chance Will Make Playoffs