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*Serie A2100.0*Average seed
A. Sorocaba 3 Mirassol 2 -29.5
+1.4
A. Sorocaba 1 Oeste 0 -12.1
+1.3
Paulista 2 Ituano 3 +7.7
U. Barbarense 1 Sao Paulo 2 -2.1
+0.1
Penapolense 3 Guarani 0 -1.6
+0.1
Corinthians 2 Sao Bernardo 0 -0.5
+0.1
Mogi Mirim 2 Paulista 0 -0.4
+0.0
Week of 4/13100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 No
+0.1
Sao Bernardo 1 Mogi Mirim 2 -0.1
+0.1
Sao Paulo 0 XV Piracicaba 1 -0.3
Week of 4/21100.0*Serie A2100.0*Average seed
Corinthians 2 A. Sorocaba 0 -0.7
Ituano 2 Palmeiras 1 -0.5
Sao Caetano 0 Paulista 2 -0.4
XV Piracicaba 4 Botafogo-SP 1 -0.1
Oeste 0 Sao Bernardo 4 +0.0
Points
Chance Will Make Playoffs