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 +24.6
+0.9
Vitoria 1 Ceara 0 -4.5
-0.2
Nautico 1 CRB 1 +2.4
+0.1
Bragantino 3 Sampaio Correa 0 +2.0
+0.0
Boa Esporte 3 Bahia 0 +1.8
+0.1
Paysandu 3 Luverdense 2 -1.3
-0.1
Parana 1 America-MG 0 +0.1
+0.1
Week of 11/20100.0*Serie A100.0*Average seed
Mogi Mirim 0 Santa Cruz 3 Yes
+0.7
Parana 0 Bragantino 2 -8.3
-0.1
Nautico 1 Bahia 0 -6.7
-0.1
Paysandu 1 Criciuma 0 -4.2
-0.1
CRB 2 Sampaio Correa 1 +2.5
+0.0
Vitoria 3 Luverdense 0 -0.2
America-MG 1 Ceara 1 +0.1
Week of 11/27100.0*Serie A100.0*Average seed
Santa Cruz 3 Vitoria 1 +0.9
Botafogo 0 America-MG 0 +0.1
Points
Chance Will Win Championship