How are these numbers calculated?

Big Games

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

Week of 4/4100.0*Chance in playoffs100.0*Average seed
The Strongest 1 Goias 0 -7.9
-0.2
Week of 4/11100.0*Chance in playoffs100.0*Average seed
Union Espanola 1 Newell's Old Boys 1 -1.4
-0.3
Week of 4/19100.0*Chance in playoffs100.0*Average seed
Newell's Old Boys 2 The Strongest 0 +59.3
+1.2
Goias 0 Union Espanola 0 +2.1
+0.0
Points
Chance Will Make Playoffs