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 -0.6
Bristol Manor F 5 Barnstaple Town 1 No
North Leigh 1 Cirencester Town 2 +0.1
Bishop's Cleeve 3 Paulton Rovers 2 +0.1
Larkhall Athletic 2 Bristol Manor F 0 -0.1
Bideford 2 Paulton Rovers 1 +0.1
Shortwood United 0 Evesham United 4 +0.1
Shortwood United 0 Wimborne Town 5 +0.1
Bideford 2 North Leigh 0 +0.1
Week of 4/21100.0*Level 9100.0*Average seed
Mangotsfield Un 0 Evesham United 2 -0.4
Wimborne Town 4 Paulton Rovers 1 +0.2
Barnstaple Town 1 Shortwood United 3 -0.2
Barnstaple Town 1 North Leigh 5 -0.2
North Leigh 0 Didcot Town 2 +0.1
Winchester City 2 North Leigh 0 +0.1
Paulton Rovers 2 Yate Town 0 -0.1
Kidlington 3 Shortwood United 0 +0.1
Shortwood United 2 Bishop's Cleeve 3 +0.1
Larkhall Athletic 0 Cinderford Town 1 +0.1
Didcot Town 4 Larkhall Athletic 2 +0.1
Larkhall Athletic 1 Yate Town 0 -0.1
Taunton Town 9 Slimbridge 0 +0.0
Week of 4/28100.0*Level 9100.0*Average seed
Shortwood United 0 Kidlington 5 +0.3
Shortwood United 0 Cirencester Town 3 +0.3
Kidlington 2 Mangotsfield Un 2 +0.2
North Leigh 1 Larkhall Athletic 1 +0.1
Didcot Town 3 Paulton Rovers 0 +0.1
Points
Chance Will Make Playoffs