How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Serie A100.0*Average seed
Botafogo 0 Santa Cruz 3 -3.1
-0.1
Paysandu 3 Luverdense 2 +2.4
+0.8
Vitoria 1 Ceara 0 -1.0
-0.0
Nautico 1 CRB 1 +0.9
+0.1
Boa Esporte 3 Bahia 0 +0.4
+0.2
Bragantino 3 Sampaio Correa 0 +0.2
-0.1
Week of 11/20100.0*Serie A100.0*Average seed
Mogi Mirim 0 Santa Cruz 3 No
Paysandu 1 Criciuma 0 +1.3
+0.7
Parana 0 Bragantino 2 -0.8
-0.2
CRB 2 Sampaio Correa 1 +0.3
+0.1
Nautico 1 Bahia 0 -0.2
-0.1
Vitoria 3 Luverdense 0 +0.0
Week of 11/27100.0*Serie A100.0*Average seed
Bragantino 0 Nautico 2 -0.2
Sampaio Correa 1 Parana 1 +0.2
Oeste 0 Paysandu 0 +0.1
Points
Chance Will Win Championship