How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Chance in playoffs100.0*Average seed
LDU 2 Flamengo 1 -26.1
-0.5
San Jose 3 Penarol 1 +0.8
+0.3
Week of 5/7100.0*Chance in playoffs100.0*Average seed
Penarol 0 Flamengo 0 In
+0.4
LDU 4 San Jose 0 -14.2
-0.2
Points
Chance Will Make Playoffs