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 In
Yes
+0.8
SSA Chelsea 96G 11 Griffin Excel - 2 +26.3
+26.3
+0.8
Griffin Excel - 1 Atlanta Fire Un 3 -7.7
-7.7
-0.1
Atlanta Fire Un 1 SSA Oconee 96G 0 +0.2
+0.2
-0.0
Week of 11/9100.0*Chance in playoffs100.0*Promoted100.0*Average seed
U19 RHSC Comets 0 Hinesville Socc 0 +0.4
Week of 11/16None
Points
Chance Will Make Playoffs