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
Paulista 2 Ituano 3 -42.7
+1.6
A. Sorocaba 3 Mirassol 2 +4.4
-0.1
A. Sorocaba 1 Oeste 0 +3.6
-0.1
Penapolense 3 Guarani 0 -1.6
+0.1
U. Barbarense 1 Sao Paulo 2 -1.3
+0.1
Corinthians 2 Sao Bernardo 0 -1.0
+0.0
Mogi Mirim 2 Paulista 0 -0.9
+0.0
Week of 4/13100.0*Serie A2100.0*Average seed
Ponte Preta 2 Mirassol 0 -9.1
+0.2
Sao Bernardo 1 Mogi Mirim 2 -4.3
+0.1
Penapolense 1 Sao Caetano 1 -2.0
+0.0
U. Barbarense 0 Santos 4 -2.0
+0.0
Sao Paulo 0 XV Piracicaba 1 -0.1
Week of 4/21100.0*Serie A2100.0*Average seed
Mirassol 3 Linense 0 +31.0
-0.5
Ituano 2 Palmeiras 1 No
+1.9
Oeste 0 Sao Bernardo 4 +6.0
-0.2
Sao Caetano 0 Paulista 2 +2.9
-0.2
Corinthians 2 A. Sorocaba 0 +0.1
Points
Chance Will Make Playoffs