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
Brasil de Pelotas 1 Oeste 1 -0.5
Parana 1 Criciuma 2 -0.2
Ceara 2 Vila Nova 3 -0.1
Goias 3 Joinville 2 -0.1
CRB 0 Paysandu 1 -0.1
Sampaio Correa 1 Londrina 3 -0.0
Luverdense 2 Bahia 2 +0.0
Week of 11/18100.0*Average seed
Brasil de Pelotas 1 CRB 0 +1.0
Criciuma 1 Vasco da Gama 0 -0.3
Vila Nova 2 Paysandu 2 +0.0
Luverdense 1 Goias 0 -0.0
Week of 11/25100.0*Average seed
Joinville 4 Vila Nova 2 +0.3
Paysandu 1 Criciuma 2 -0.3
Avai 1 Brasil de Pelotas 1 -0.2
Vasco da Gama 2 Ceara 1 +0.2
Points
Chance Will Win Championship