How are these numbers calculated?

Big Games

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

Week of 4/16100.0*Chance wins title100.0*Promoted100.0*Average seed
Elgin City 1 Queens Park 1 No
-0.6
-0.1
Clyde 0 East Fife 0 -0.1
+0.0
Annan Athletic 1 East Stirling 3 +1.4
+0.2
Week of 4/23100.0*Chance wins title100.0*Promoted100.0*Average seed
Queens Park 2 Clyde 1 +5.5
+0.8
Stirling Albion 2 Annan Athletic 1 +1.8
+0.2
East Stirling 0 Elgin City 3 -1.3
-0.2
Week of 4/30100.0*Chance wins title100.0*Promoted100.0*Average seed
Annan Athletic 1 Queens Park 0 -2.7
-0.9
Clyde 3 Stirling Albion 1 -1.9
-0.2
Elgin City 4 Arbroath 1 -0.3
-0.3
Points
Chance Will Win Championship