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
Bragantino 3 Sampaio Correa 0 +7.6
+0.9
Botafogo 0 Santa Cruz 3 -4.2
-0.1
Nautico 1 CRB 1 +1.3
+0.1
Boa Esporte 3 Bahia 0 +1.2
+0.2
Vitoria 1 Ceara 0 -0.8
-0.0
Paysandu 3 Luverdense 2 -0.3
-0.1
Parana 1 America-MG 0 +0.1
Week of 11/20100.0*Serie A100.0*Average seed
Parana 0 Bragantino 2 +13.8
+0.9
Mogi Mirim 0 Santa Cruz 3 -4.6
-0.1
Vitoria 3 Luverdense 0 -1.2
-0.0
America-MG 1 Ceara 1 -0.7
Paysandu 1 Criciuma 0 -0.2
-0.2
CRB 2 Sampaio Correa 1 +0.1
+0.2
Nautico 1 Bahia 0 +0.0
Week of 11/27100.0*Serie A100.0*Average seed
Bragantino 0 Nautico 2 -1.0
Oeste 0 Paysandu 0 +0.2
Points
Chance Will Win Championship