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*Average seed
Ponte Preta 1 Palmeiras 2 -0.6
Mogi Mirim 2 Paulista 0 -0.1
Corinthians 2 Sao Bernardo 0 -0.1
Botafogo-SP 1 Sao Paulo 3 -0.1
Week of 4/13100.0*Average seed
Ponte Preta 2 Mirassol 0 +0.9
U. Barbarense 0 Santos 4 -0.2
Sao Bernardo 1 Mogi Mirim 2 -0.2
Palmeiras 4 Guarani 1 -0.2
Linense 2 Corinthians 1 +0.2
Week of 4/21100.0*Average seed
Santos 2 Penapolense 1 -0.3
Mogi Mirim 1 Sao Paulo 0 -0.3
Ituano 2 Palmeiras 1 +0.1
Bragantino 0 Ponte Preta 0 +0.0
Points
Chance Will Make Playoffs