How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Georgia Storm V 2 Roswell Santos 4 +23.1
+23.1
+0.8
Rush Azul 00/01 0 Roswell Santos 2 +5.4
+5.4
+0.1
CSA Impact 01G 4 SSA Che Sel Ye 1 +2.8
+2.8
CSA Impact 01G 5 Rush Azul 00/01 0 -0.6
-0.6
-0.0
Concorde Fire C 0 NASA G19 Select 1 +0.2
+0.2
Week of 5/9100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Roswell Santos 0 SSA Che Sel Ye 1 -32.6
-32.6
-0.9
FFC United 1 SSA Che Sel Bl 0 +12.6
+12.6
+0.3
SSA Che Ros Gr 0 Roswell Santos 4 +9.3
+9.3
+0.2
Concorde Fire C 1 SSA Che Sel Bl 0 +3.6
+3.6
+0.2
Stockbridge Uni 1 CSA Impact 01G 8 -2.6
-2.6
-0.0
Week of 5/18None
Points
Chance Will Make Playoffs