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
Ventura County 0 Fresno 2 -9.4
-0.3
Tuscan 3 BYU 0 +9.0
+0.4
Pali 2 Fresno 1 +2.3
+0.1
BYU 3 Ogden 1 -0.9
Crossfire 0 Sounders-U23 1 +0.7
Kitsap 2 North Sound 1 -0.2
-0.1
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Tuscan 0 Ogden 0 In
-0.4
Orange County 6 Tuscan 0 -0.8
Portland-U23 0 Kitsap 1 +0.1
Pali 3 Ventura County 5 -0.0
Sounders-U23 1 Fraser Valley 0 -0.0
Week of 7/15None
Points
Chance Will Make Playoffs