How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Chance in playoffs100.0*Average seed
Hartford 4 Birmingham 0 -21.7
-0.4
Birmingham 0 Charleston 0 -9.6
-0.2
Loudoun 4 Saint Louis 3 +8.6
+0.2
Saint Louis 0 Louisville 1 +5.5
+0.1
Indy 3 Memphis 0 +0.6
+0.0
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Birmingham 2 New York II 1 +38.9
+0.7
Saint Louis 0 Pittsburgh 1 +9.7
+0.1
Charleston 2 Memphis 0 -8.3
-0.2
Charleston 1 Loudoun 2 +6.7
+0.2
Memphis 1 Charlotte 2 +1.1
+0.1
Week of 10/18100.0*Chance in playoffs100.0*Average seed
North Carolina 1 Saint Louis 0 In
+0.2
Charleston 5 Bethlehem 1 -4.6
-0.2
Birmingham 0 Pittsburgh 1 -0.3
Points
Chance Will Make Playoffs