How are these numbers calculated?

Big Games

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

Week of 11/2100.0*Chance in playoffs100.0*Promoted100.0*Average seed
96 Norcross Fur 1 SSA Chelsea 96G 3 -14.5
-14.5
-0.3
SSA Chelsea 96G 11 Griffin Excel - 2 -9.7
-9.7
-0.2
Griffin Excel - 1 Atlanta Fire Un 3 -4.3
-4.3
-0.1
Atlanta Fire Un 1 SSA Oconee 96G 0 -0.6
-0.6
Week of 11/9100.0*Chance in playoffs100.0*Promoted100.0*Average seed
U19 RHSC Comets 0 Hinesville Socc 0 In
Yes
+0.2
Week of 11/16None
Points
Chance Will Make Playoffs