How are these numbers calculated?

Big Games

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

Week of 7/1100.0*Chance in playoffs100.0*Average seed
Crossfire 0 Sounders-U23 1 -12.2
-1.0
Vancouver-U23 4 North Sound 0 -3.3
Portland-U23 1 Crossfire 0 -2.2
-0.5
Kitsap 2 North Sound 1 -0.5
-0.2
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Vancouver-U23 1 Victoria 2 In
+0.2
Week of 7/15None
Points
Chance Will Make Playoffs