How are these numbers calculated?

Big Games

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

Week of 5/13100.0*Chance wins title100.0*Promoted100.0*Average seed
NASA B18 Select 3 Concorde Fire W 4 +13.3
+13.3
+0.6
Athens United 0 2 Oconee SA 00 Wh 0 +10.8
+10.8
+0.2
00 Norcross Fur 1 Athens United 0 1 +7.6
+7.6
+0.1
00 Norcross Fur 10 DDYSC 00 Wolves 1 -7.6
-7.6
-0.3
Georgia FC 00 B 0 Oconee SA 00 Wh 1 -7.1
-7.1
-0.3
YMCA Strikers 1 Georgia FC 00 B 6 -3.0
-3.0
-0.1
00 Norcross Fur 1 YMCA Strikers 0 -2.4
-2.4
-0.2
Week of 5/18100.0*Chance wins title100.0*Promoted100.0*Average seed
DDYSC 00 Wolves 0 Georgia FC 00 B 4 -37.7
-37.7
-0.4
Concorde Fire W 1 DSC Revolution 0 +29.1
+29.1
+1.2
Georgia FC 00 B 5 Oconee SA 00 Wh 1 +13.1
+13.1
+0.0
Athens United 0 6 Triumph 2018 Gr 1 -0.1
Points
Chance Will Win Championship