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
Wilmington 2 Charleston 1 +16.8
+0.4
+0.7
Charlotte 4 Antigua 0 -4.2
-0.1
Harrisburg 3 Charleston 0 -3.3
+0.2
-0.0
Los Angeles 1 Antigua 2 +2.5
+0.1
Richmond 2 Antigua 0 -2.0
-0.1
Charleston 2 Wilmington 2 +0.7
-0.6
-0.0
Rochester 0 Orlando 1 +0.5
Week of 8/10100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Pittsburgh 0 Charlotte 3 -4.7
-0.1
Dayton 2 Charlotte 2 +3.5
+0.2
Rochester 0 Charleston 4 -2.6
+0.6
-0.2
Los Angeles 1 Antigua 0 -2.0
Richmond 2 Harrisburg 1 -0.1
-0.0
Week of 8/19100.0*Chance in playoffs100.0*First-round bye100.0*Average seed
Charlotte 1 Wilmington 2 In
+1.1
Los Angeles 0 Harrisburg 1 -35.7
-0.4
Points
Chance Will Make Playoffs