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
Viktoria Plzeň 2 FCSB 0 +20.0
+0.4
Lugano 1 Hapoel Be'er 0 +5.7
-0.0
Week of 12/7100.0*Chance in playoffs100.0*Average seed
Hapoel Be'er 0 Viktoria Plzeň 2 +0.4
FCSB 1 Lugano 2 +0.1
Points
Chance Will Make Playoffs