How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Average seed
America-MG 3 ABC 3 -0.2
America-RN 1 Criciuma 4 +0.1
Avai 1 Guarani 0 -0.0
Week of 11/17100.0*Average seed
America-RN 1 America-MG 1 +0.2
Week of 11/23100.0*Average seed
ABC 2 America-RN 2 +0.3
America-MG 3 Ipatinga 1 +0.2
Points
Chance Will Win Championship