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 +18.2
+0.4
Lugano 1 Hapoel Be'er 0 +8.5
+0.0
Week of 12/7100.0*Chance in playoffs100.0*Average seed
FCSB 1 Lugano 2 +0.3
Hapoel Be'er 0 Viktoria Plzeň 2 +0.2
Points
Chance Will Make Playoffs