How are these numbers calculated?

Big Games

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

Week of 4/20100.0*Chance wins title100.0*Promoted100.0*Average seed
Albion Rovers 3 Edinburgh City 2 No
-0.7
-0.2
Elgin City 1 Peterhead 2 No
-0.7
Clyde 5 Berwick 0 -0.2
-0.1
-0.1
Week of 4/27100.0*Chance wins title100.0*Promoted100.0*Average seed
Edinburgh City 1 Elgin City 1 -0.0
Clyde 3 Queens Park 0 -0.0
Week of 5/4100.0*Chance wins title100.0*Promoted100.0*Average seed
Stirling Albion 0 Edinburgh City 0 +0.1
Albion Rovers 0 Annan Athletic 2 -0.1
Points
Chance Will Win Championship