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*Serie A2100.0*Average seed
Penapolense 3 Guarani 0 Out
Mogi Mirim 2 Paulista 0 +0.1
Paulista 2 Ituano 3 +0.1
+0.2
A. Sorocaba 1 Oeste 0 +0.1
-0.0
U. Barbarense 1 Sao Paulo 2 -0.1
+0.0
A. Sorocaba 3 Mirassol 2 +0.1
+0.0
Corinthians 2 Sao Bernardo 0 +0.1
Week of 4/13100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Paulo 0 XV Piracicaba 1 No
+1.6
U. Barbarense 0 Santos 4 -0.1
+0.0
Linense 2 Corinthians 1 -0.1
Botafogo-SP 1 Bragantino 0 +0.1
Sao Bernardo 1 Mogi Mirim 2 +0.0
Week of 4/21100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
XV Piracicaba 4 Botafogo-SP 1 +0.8
Oeste 0 Sao Bernardo 4 +0.2
Corinthians 2 A. Sorocaba 0 +0.1
Bragantino 0 Ponte Preta 0 +0.1
Points
Chance Will Make Playoffs