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
Ft. Lauderdale 0 Ocala 3 +7.2
+0.6
Jax 1 Panama City 3 -1.4
-0.1
Tampa 2 Bradenton 0 +1.2
+0.1
Orlando City 2 Mississippi 1 -0.9
-0.1
Mississippi 1 Tampa 0 +0.7
+0.0
Panama City 0 Orlando City 2 -0.3
-0.0
Tampa 2 Ocala 2 +0.1
-0.1
Laredo 1 New Orleans 1 +0.0
Week of 7/8100.0*Chance in playoffs100.0*Average seed
Ocala 2 Panama City 0 In
+0.6
Panama City 0 Ocala 4 +0.3
Orlando City 1 Bradenton 3 +0.1
El Paso 0 Austin 1 -0.1
Week of 7/15None
Points
Chance Will Make Playoffs