How are these numbers calculated?

Big Games

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

Week of 4/3None
Week of 4/10100.0*Average seed
Fluminense 0 Boca Juniors 2 -0.2
Week of 4/17100.0*Average seed
Arsenal 1 Fluminense 2 +0.3
Boca Juniors 2 Zamora 0 -0.1
Chance Will Make Playoffs