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 +32.0
+1.1
Nautico 1 CRB 1 +4.3
+0.1
Vitoria 1 Ceara 0 -2.7
-0.1
Boa Esporte 3 Bahia 0 +2.0
+0.1
Bragantino 3 Sampaio Correa 0 +1.4
+0.0
Paysandu 3 Luverdense 2 -0.9
-0.1
Parana 1 America-MG 0 +0.1
Week of 11/20100.0*Serie A100.0*Average seed
Mogi Mirim 0 Santa Cruz 3 Yes
+0.5
Parana 0 Bragantino 2 -7.7
-0.1
Nautico 1 Bahia 0 -1.6
CRB 2 Sampaio Correa 1 +1.4
+0.0
Paysandu 1 Criciuma 0 -1.2
America-MG 1 Ceara 1 +0.2
Vitoria 3 Luverdense 0 -0.2
Week of 11/27100.0*Serie A100.0*Average seed
Santa Cruz 3 Vitoria 1 +0.7
Points
Chance Will Win Championship