How are these numbers calculated?

Big Games

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

Week of 10/25100.0*Chance in playoffs100.0*Promoted100.0*Average seed
SSA Savannah Un 3 Hinesville Socc 1 -2.9
-2.9
+0.1
Sacred Heart Sa 0 SAF U15B Premie 7 +1.8
+1.8
+0.1
Week of 11/1100.0*Chance in playoffs100.0*Promoted100.0*Average seed
SSA Chelsea Sou 3 SSA Savannah Un 4 +4.3
+4.3
Hinesville Socc 4 SAF U15B Premie 3 Out
No
Points
Chance Will Make Playoffs