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*Chance in playoffs100.0*Serie A2100.0*Average seed
Bragantino 2 Sao Caetano 0 Out
+0.1
Palmeiras 0 Mirassol 1 +0.9
No
+1.2
Oeste 0 Corinthians 3 +0.2
+0.2
Linense 1 Botafogo-SP 3 +0.1
+0.2
Mogi Mirim 3 Paulista 1 +0.1
+0.1
XV Piracicaba 2 Comercial RP 1 +0.7
Portuguesa 0 Santos 2 +0.1
Ituano 2 Sao Paulo 4 +0.1
Week of 4/7100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Sao Caetano 2 Santos 1 -0.2
Corinthians 1 Paulista 0 +0.2
Bragantino 1 Oeste 4 -0.2
Portuguesa 2 Linense 2 +0.1
Ituano 1 Mirassol 1 -0.1
Week of 4/15100.0*Chance in playoffs100.0*Serie A2100.0*Average seed
Mirassol 4 Portuguesa 2 +1.2
Linense 2 Sao Paulo 1 -0.4
Paulista 2 Bragantino 0 -0.2
Oeste 4 Ituano 2 -0.1
Points
Chance Will Make Playoffs