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 -3.6
-11.1
-0.7
Los Angeles 1 Antigua 2 +2.0
+0.1
Wilmington 2 Charleston 1 -1.3
-11.1
-0.5
Charlotte 4 Antigua 0 -0.3
Charleston 2 Wilmington 2 +0.2
-7.3
-0.1
Richmond 2 Antigua 0 -0.1
-0.1
-0.0
Rochester 0 Orlando 1 +8.1
+0.1
Week of 8/10100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Rochester 0 Charleston 4 In
+12.5
+1.2
Pittsburgh 0 Charlotte 3 -3.2
-0.2
-0.1
Dayton 2 Charlotte 2 +2.1
+0.4
+0.2
Richmond 2 Harrisburg 1 -0.1
-0.6
-0.1
Week of 8/19100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Antigua 2 Richmond 1 +0.8
Charlotte 1 Wilmington 2 +0.5
Points
Chance Will Make Playoffs