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
North Leigh 5 Paulton Rovers 3 -5.3
+0.7
Bideford 2 North Leigh 0 +5.1
-0.5
North Leigh 1 Cirencester Town 2 +4.8
-0.5
Bristol Manor F 5 Barnstaple Town 1 -2.9
+0.1
Cinderford Town 9 Slimbridge 0 -1.3
+0.1
Yate Town 1 Slimbridge 1 -0.3
+0.0
Evesham United 2 Bishop's Cleeve 1 -0.2
Bideford 2 Paulton Rovers 1 -0.1
+0.1
Bishop's Cleeve 3 Paulton Rovers 2 +0.1
+0.1
Cinderford Town 4 Bishop's Cleeve 0 -0.1
Shortwood United 1 Larkhall Athletic 0 +0.1
Cinderford Town 4 Mangotsfield Un 3 +0.1
Larkhall Athletic 2 Bristol Manor F 0 -0.1
Week of 4/21100.0*Level 9100.0*Average seed
North Leigh 0 Didcot Town 2 +3.7
-0.5
Barnstaple Town 1 North Leigh 5 No
+0.7
Winchester City 2 North Leigh 0 +2.9
-0.5
Barnstaple Town 1 Shortwood United 3 -1.7
-0.1
Slimbridge 4 Bideford 3 +1.4
-0.1
Taunton Town 9 Slimbridge 0 -0.5
+0.2
Paulton Rovers 2 Yate Town 0 +0.2
-0.2
Wimborne Town 4 Paulton Rovers 1 +0.2
Mangotsfield Un 0 Evesham United 2 +0.1
Week of 4/28100.0*Level 9100.0*Average seed
Didcot Town 3 Paulton Rovers 0 +0.3
Wimborne Town 5 Slimbridge 0 +0.1
Kidlington 2 Mangotsfield Un 2 -0.1
Shortwood United 0 Cirencester Town 3 +0.1
Shortwood United 0 Kidlington 5 +0.1
North Leigh 1 Larkhall Athletic 1 -0.0
Points
Chance Will Make Playoffs