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
Vancouver-U23 4 North Sound 0 +3.9
+0.3
Portland-U23 1 Crossfire 0 +1.8
Kitsap 2 North Sound 1 -0.5
+0.1
Crossfire 0 Sounders-U23 1 +0.5
Ventura County 0 Fresno 2 -0.1
Fraser Valley 0 Victoria 1 -0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Vancouver-U23 1 Victoria 2 Out
-0.9
Fresno 3 Southern Cal 1 -0.5
Ventura County 1 BYU 0 +0.2
Tuscan 0 Ogden 0 +0.1
Vancouver-U23 2 Fraser Valley 1 +0.1
Week of 7/15None
Points
Chance Will Make Playoffs