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
West-Texas 1 El Paso 4 -2.4
-0.7
Jax 1 Panama City 3 -0.1
Austin 7 West-Texas 0 Out
-0.1
Laredo 1 New Orleans 1 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
New Orleans 1 Austin 0 -0.7
West-Texas 2 Texas 0 +0.2
Jax 1 Ft. Lauderdale 1 +0.2
West-Texas 1 Laredo 3 -0.1
Jax 1 Mississippi 4 +0.0
Week of 7/15None
Points
Chance Will Make Playoffs