How are these numbers calculated?

Big Games

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

Week of 4/8100.0*Average seed
Libertad 3 LDU 1 -0.3
Arsenal 2 Fluminense 0 +0.2
Week of 4/15100.0*Average seed
Fluminense 1 LDU 0 -0.3
Week of 4/22None
Points
Chance Will Make Playoffs