How are these numbers calculated?

Big Games

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

Week of 11/25100.0*Average seed
Paris SG 3 Ajax 1 +0.1
APOEL 0 Barcelona 4 -0.1
Week of 12/9100.0*Average seed
Barcelona 3 Paris SG 1 -0.6
Points
Chance Will Make Playoffs