How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Serie C100.0*Average seed
Figueirense 1 America-MG 2 +1.7
-1.0
Boa Esporte 4 Santa Cruz 2 +0.6
-0.1
Guarani 2 CRB 1 +0.4
-0.0
Paysandu 2 Brasil de Pelotas 3 +0.1
-0.1
Goias 0 Ceara 0 +0.0
Week of 11/17100.0*Serie C100.0*Average seed
Guarani 0 Luverdense 0 No
+0.1
Juventude 0 Figueirense 0 +0.4
-0.7
Goias 0 Internacional 2 +0.3
Paysandu 4 Santa Cruz 2 -0.2
Boa Esporte 2 Brasil de Pelotas 1 -0.2
CRB 0 Parana 1 +0.1
Criciuma 1 Ceara 1 +0.0
Week of 11/24100.0*Serie C100.0*Average seed
Figueirense 1 Paysandu 0 +1.5
America-MG 1 CRB 0 +0.4
Brasil de Pelotas 3 Criciuma 2 +0.2
Points
Chance Will Win Championship