How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 3/31100.0*Serie A2100.0*Average seed
Guaratingueta 2 Ponte Preta 1 -23.9
+1.1
XV Piracicaba 2 Comercial RP 1 +3.3
-0.1
Catanduvense 1 Guarani 2 -2.4
+0.1
Linense 1 Botafogo-SP 3 +1.9
-0.3
Portuguesa 0 Santos 2 -0.5
Palmeiras 0 Mirassol 1 +0.1
Week of 4/7100.0*Serie A2100.0*Average seed
Comercial RP 2 Guaratingueta 1 +26.3
-1.0
XV Piracicaba 2 Ponte Preta 1 +16.9
-0.3
Catanduvense 2 Botafogo-SP 4 +5.1
-0.1
Portuguesa 2 Linense 2 +1.7
-0.0
Sao Caetano 2 Santos 1 -0.1
Week of 4/15100.0*Serie A2100.0*Average seed
Botafogo-SP 2 Guarani 1 Yes
-0.2
Guaratingueta 2 Sao Caetano 2 Yes
-0.1
Mogi Mirim 2 XV Piracicaba 2 Yes
Santos 5 Catanduvense 0 +0.1
Palmeiras 2 Comercial RP 2 +0.1
Points
Chance Will Make Playoffs