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
Annan Athletic 1 East Stirling 3 No
-5.3
-0.7
Clyde 0 East Fife 0 +0.1
+0.1
+0.0
Elgin City 1 Queens Park 1 -0.2
+0.1
Week of 4/23100.0*Chance wins title100.0*Promoted100.0*Average seed
Stirling Albion 2 Annan Athletic 1 -5.9
-0.6
East Stirling 0 Elgin City 3 -1.6
-0.2
Queens Park 2 Clyde 1 +0.2
+0.0
Week of 4/30100.0*Chance wins title100.0*Promoted100.0*Average seed
Annan Athletic 1 Queens Park 0 +12.0
+0.8
Clyde 3 Stirling Albion 1 -4.0
-0.3
Elgin City 4 Arbroath 1 -0.5
-0.1
Points
Chance Will Win Championship