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
SSA Chelsea 96G 11 Griffin Excel - 2 -10.5
-10.5
-0.3
96 Norcross Fur 1 SSA Chelsea 96G 3 -5.5
-5.5
-0.3
Griffin Excel - 1 Atlanta Fire Un 3 -1.6
-1.6
-0.2
Week of 11/9100.0*Chance in playoffs100.0*Promoted100.0*Average seed
U19 RHSC Comets 0 Hinesville Socc 0 Out
No
-0.5
Week of 11/16100.0*Chance in playoffs100.0*Promoted100.0*Average seed
96 Norcross Fur 0 Atlanta Fire Un 1 -0.6
Points
Chance Will Make Playoffs