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*Relegated100.0*Average seed
Dunfermline 1 Cowdenbeath 0 -29.3
+0.3
Dumbarton 4 Airdrie 1 +1.5
-0.0
Week of 4/27100.0*Relegated100.0*Average seed
Cowdenbeath 2 Dumbarton 3 -24.5
+0.2
Partick Thistle 3 Dunfermline 3 -4.9
+0.0
Week of 5/4100.0*Relegated100.0*Average seed
Hamilton 1 Cowdenbeath 3 +32.5
-0.3
Dunfermline 1 Airdrie 2 +14.5
-0.1
Points
Chance Will Win Championship