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
Botafogo-SP 1 Sao Paulo 3 -1.7
-0.6
Penapolense 3 Guarani 0 -0.5
-0.1
Linense 3 Oeste 1 -0.3
Ponte Preta 1 Palmeiras 2 -0.2
-0.2
Corinthians 2 Sao Bernardo 0 -0.1
-0.1
Mogi Mirim 2 Paulista 0 -0.1
Week of 4/13100.0*Chance in playoffs100.0*Average seed
Linense 2 Corinthians 1 -4.6
Botafogo-SP 1 Bragantino 0 In
+0.4
Penapolense 1 Sao Caetano 1 +0.6
+0.1
Palmeiras 4 Guarani 1 -0.1
U. Barbarense 0 Santos 4 -0.0
Sao Bernardo 1 Mogi Mirim 2 -0.0
Week of 4/21100.0*Chance in playoffs100.0*Average seed
XV Piracicaba 4 Botafogo-SP 1 -0.6
Ituano 2 Palmeiras 1 +0.4
Corinthians 2 A. Sorocaba 0 -0.3
Santos 2 Penapolense 1 +0.1
Points
Chance Will Make Playoffs