How are these numbers calculated?

Big Games

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

Week of 11/1100.0*Chance in playoffs100.0*Promoted100.0*Average seed
Covington YMC-U17 3 SSA Savannah Un 4 +13.5
+13.5
+0.3
SSA Chelsea 98B 1 SSA Savannah Un 3 +9.3
+9.3
+0.2
Oconee FC 97 Red 3 Atlanta Fire 97 3 +4.2
+4.2
+0.1
GS Boca Juniors 2 SAF U17B Premier 0 -3.6
-3.6
-0.1
AFC Lightning 9 2 Atlanta Fire 97 0 -3.4
-3.4
-0.1
SSA Chelsea 98B 1 GS Boca Juniors 2 -1.9
-1.9
-0.1
CFC Red Star U1 1 MAYSA Storm 9 -0.2
-0.2
Week of 11/8100.0*Chance in playoffs100.0*Promoted100.0*Average seed
AFC Lightning 9 7 MAYSA Storm 0 -6.4
-6.4
-0.3
Atlanta Fire 97 1 GS Boca Juniors 0 In
Yes
+0.2
GS Boca Juniors 3 CFC Red Star U1 2 -1.5
-1.5
-0.1
Week of 11/15100.0*Chance in playoffs100.0*Promoted100.0*Average seed
AFC Lightning 9 0 CFC Red Star U1 0 +0.7
Points
Chance Will Make Playoffs