How are these numbers calculated?

Big Games

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

Week of 3/31100.0*Chance in playoffs100.0*Average seed
Guaratingueta 2 Ponte Preta 1 -0.4
-0.5
Linense 1 Botafogo-SP 3 +0.1
Ituano 2 Sao Paulo 4 +0.0
Mogi Mirim 3 Paulista 1 +0.0
-0.1
Bragantino 2 Sao Caetano 0 -0.2
Catanduvense 1 Guarani 2 -0.1
Week of 4/7100.0*Chance in playoffs100.0*Average seed
XV Piracicaba 2 Ponte Preta 1 -0.4
Bragantino 1 Oeste 4 +0.2
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Paulista 2 Bragantino 0 +0.3
Ponte Preta 1 Corinthians 2 -0.2
Points
Chance Will Make Playoffs