How are these numbers calculated?

Big Games

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

Week of 3/18100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Fluminense 1 Nova Iguacu 3 +27.3
-0.4
+1.1
Vasco da Gama 0 Botafogo 0 +3.8
+0.1
Volta Redonda 3 Madureira 2 +3.4
-0.0
Bangu 0 Boavista 0 +0.4
-0.1
+0.1
Resende 0 Flamengo 1 +0.4
-0.0
+0.0
Portuguesa 2 Macae 1 +0.1
Week of 3/22100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Volta Redonda 2 Nova Iguacu 1 -21.2
-0.8
Nova Iguacu 0 Portuguesa 0 -11.4
-0.4
Bangu 0 Botafogo 2 -7.0
No
-0.2
Portuguesa 2 Madureira 0 +5.1
+0.2
Botafogo 2 Fluminense 3 +2.6
+0.1
Boavista 1 Volta Redonda 0 +2.0
+0.1
Vasco da Gama 1 Madureira 0 -0.8
-0.0
Macae 1 Resende 2 -0.5
Resende 0 Boavista 1 -0.4
-0.0
Flamengo 2 Vasco da Gama 2 -0.1
+0.0
Flamengo 3 Bangu 0 +0.1
Week of 3/29100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Nova Iguacu 0 Vasco da Gama 2 Out
-0.8
Resende 0 Nova Iguacu 1 +22.7
+1.1
Portuguesa 1 Botafogo 4 -9.2
-0.2
Vasco da Gama 1 Boavista 0 -2.5
Madureira 2 Fluminense 2 +0.7
Volta Redonda 1 Flamengo 1 -0.6
-0.1
Botafogo 3 Resende 2 -0.2
Macae 2 Volta Redonda 2 +0.2
Points
Chance Will Make Playoffs