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
Tuscan 3 BYU 0 Out
-0.3
BYU 3 Ogden 1 +4.0
+1.0
Ventura County 0 Fresno 2 -1.1
-0.1
Kitsap 2 North Sound 1 -0.5
+0.0
Crossfire 0 Sounders-U23 1 +0.2
Fraser Valley 0 Victoria 1 -0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Orange County 5 BYU 1 -1.3
Ventura County 1 BYU 0 -0.9
Tuscan 0 Ogden 0 +0.1
Vancouver-U23 1 Victoria 2 -0.0
Week of 7/15100.0*Chance in playoffs100.0*Average seed
Pali 2 LA Misioneros 5 -0.8
Points
Chance Will Make Playoffs