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
Resende 0 Flamengo 1 -4.0
+10.5
-0.8
Fluminense 1 Nova Iguacu 3 -0.4
+0.2
-0.1
Vasco da Gama 0 Botafogo 0 +0.3
Volta Redonda 3 Madureira 2 +0.2
+1.6
-0.1
Bangu 0 Boavista 0 +0.2
-0.5
+0.1
Portuguesa 2 Macae 1 +1.0
-0.0
Week of 3/22100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Resende 0 Boavista 1 -7.9
+14.2
-1.3
Macae 1 Resende 2 +3.1
-19.7
+1.1
Bangu 0 Botafogo 2 -1.3
-4.3
Portuguesa 2 Madureira 0 +1.2
+3.8
-0.0
Botafogo 2 Fluminense 3 +0.6
-0.1
+0.1
Volta Redonda 2 Nova Iguacu 1 +0.6
+0.6
-0.1
Boavista 1 Volta Redonda 0 +0.3
+3.4
-0.1
Nova Iguacu 0 Portuguesa 0 +0.2
-1.0
+0.0
Flamengo 2 Vasco da Gama 2 -0.1
Flamengo 3 Bangu 0 +0.1
-2.8
+0.1
Fluminense 3 Macae 0 -0.8
Week of 3/29100.0*Chance in playoffs100.0*Seletiva100.0*Average seed
Resende 0 Nova Iguacu 1 Out
+16.2
-0.9
Volta Redonda 1 Flamengo 1 +0.2
+0.0
Madureira 2 Fluminense 2 +0.7
-0.0
Botafogo 3 Resende 2 Yes
-0.8
Bangu 2 Macae 0 +25.0
-0.3
Madureira 3 Bangu 1 -9.2
+0.3
Boavista 1 Portuguesa 1 +5.7
-0.1
Portuguesa 1 Botafogo 4 -3.3
+0.1
Vasco da Gama 1 Boavista 0 -1.3
+0.1
Points
Chance Will Make Playoffs