How are these numbers calculated?

Big Games

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

Week of 4/14100.0*Level 9100.0*Average seed
Cinderford Town 4 Mangotsfield Un 3 No
+0.5
Cinderford Town 4 Bishop's Cleeve 0 +0.3
Cinderford Town 9 Slimbridge 0 +0.3
Larkhall Athletic 2 Bristol Manor F 0 -0.1
Shortwood United 0 Wimborne Town 5 +0.1
Shortwood United 0 Evesham United 4 +0.1
Bideford 2 Paulton Rovers 1 +0.1
Week of 4/21100.0*Level 9100.0*Average seed
Cinderford Town 2 Bristol Manor F 0 +0.4
Larkhall Athletic 0 Cinderford Town 1 +0.4
Cinderford Town 3 Bideford 4 -0.4
Kidlington 3 Shortwood United 0 -0.2
Larkhall Athletic 1 Yate Town 0 +0.2
Cirencester Town 3 Kidlington 2 +0.1
Paulton Rovers 2 Yate Town 0 +0.1
Week of 4/28100.0*Level 9100.0*Average seed
Yate Town 2 Bishop's Cleeve 0 -0.4
Cinderford Town 2 Taunton Town 3 -0.4
Shortwood United 0 Kidlington 5 -0.3
Kidlington 2 Mangotsfield Un 2 +0.0
Points
Chance Will Make Playoffs