How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/3100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Harrisburg 3 Charleston 0 -3.8
-14.9
-0.8
Los Angeles 1 Antigua 2 +1.2
+0.0
Wilmington 2 Charleston 1 -0.9
-13.6
-0.5
Charlotte 4 Antigua 0 -0.4
-0.1
Charleston 2 Wilmington 2 +0.3
-4.2
-0.0
Richmond 2 Antigua 0 -0.3
-0.2
-0.1
Rochester 0 Orlando 1 +10.4
+0.1
Week of 8/10100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Rochester 0 Charleston 4 In
+14.0
+1.1
Pittsburgh 0 Charlotte 3 -4.1
-0.5
-0.2
Dayton 2 Charlotte 2 +1.8
+0.7
+0.1
Richmond 2 Harrisburg 1 -1.3
-0.2
-0.0
Week of 8/19100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Antigua 2 Richmond 1 +0.6
Charlotte 1 Wilmington 2 +0.4
Points
Chance Will Make Playoffs