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*Average seed
Fraser Valley 0 Victoria 1 +0.2
River City 1 Inferno 2 -0.1
NJ Rangers 4 Spartans 0 +0.1
Kansas City 5 St. Louis 1 +0.1
Orlando City 2 Mississippi 1 +0.1
Kitsap 2 North Sound 1 +0.1
Week of 7/8100.0*Average seed
Vancouver-U23 1 Victoria 2 +1.3
Orange County 5 BYU 1 +0.4
Tuscan 0 Ogden 0 +0.1
Ventura County 1 BYU 0 +0.1
Week of 7/15100.0*Average seed
Pali 2 LA Misioneros 5 -0.4
Points
Chance Will Make Playoffs