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 -28.7
+1.5
A. Sorocaba 1 Oeste 0 -17.2
+1.6
Paulista 2 Ituano 3 +4.4
U. Barbarense 1 Sao Paulo 2 -4.2
+0.1
Penapolense 3 Guarani 0 -2.1
+0.1
Mogi Mirim 2 Paulista 0 -1.3
+0.1
Corinthians 2 Sao Bernardo 0 -1.1
+0.1
Linense 3 Oeste 1 -0.3
+0.1
Week of 4/13100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 No
+0.2
Sao Bernardo 1 Mogi Mirim 2 -0.4
+0.2
Sao Paulo 0 XV Piracicaba 1 +0.1
-0.2
Week of 4/21100.0*Serie A2100.0*Average seed
Corinthians 2 A. Sorocaba 0 -1.1
Sao Caetano 0 Paulista 2 -0.3
Ituano 2 Palmeiras 1 -0.3
XV Piracicaba 4 Botafogo-SP 1 -0.1
Oeste 0 Sao Bernardo 4 +0.0
Points
Chance Will Make Playoffs