How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Chance in playoffs100.0*Average seed
Östersunds FK 2 Zorya 0 In
Athletic Club 3 Hertha BSC 2 -0.3
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Hertha BSC 1 Östersunds FK 1 -0.3
Zorya 0 Athletic Club 2 -0.2
Chance Will Make Playoffs