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*Average seed
Guarani 2 CRB 1 +0.0
Figueirense 1 America-MG 2 +0.1
Goias 0 Ceara 0 +0.0
Week of 11/17100.0*Average seed
Paysandu 4 Santa Cruz 2 -0.2
Criciuma 1 Ceara 1 -0.2
Santa Cruz 5 Juventude 2 +0.1
Boa Esporte 2 Brasil de Pelotas 1 -0.1
CRB 0 Parana 1 +0.1
Goias 0 Internacional 2 +0.1
Juventude 0 Figueirense 0 +0.0
Guarani 0 Luverdense 0 +0.0
Week of 11/24100.0*Average seed
Brasil de Pelotas 3 Criciuma 2 -1.7
Figueirense 1 Paysandu 0 -0.6
America-MG 1 CRB 0 +0.2
Points
Chance Will Win Championship