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*Chance in playoffs100.0*Average seed
Shortwood United 0 Wimborne Town 5 +18.8
+0.9
Shortwood United 0 Evesham United 4 -5.3
-0.2
Evesham United 2 Bishop's Cleeve 1 -3.2
-0.1
Bideford 2 North Leigh 0 -2.4
-0.1
Kidlington 1 Bideford 2 -2.4
-0.1
Bristol Manor F 5 Barnstaple Town 1 -2.3
-0.2
Larkhall Athletic 2 Bristol Manor F 0 +1.7
+0.1
Didcot Town 0 Totton 0 +1.6
+0.1
Bideford 2 Paulton Rovers 1 -1.4
-0.1
Wimborne Town 1 Taunton Town 1 -1.2
-0.1
Yate Town 0 Totton 1 -1.1
-0.1
North Leigh 1 Cirencester Town 2 -1.0
-0.1
Kidlington 1 Swindon Superma 1 +1.0
+0.0
Swindon Superma 2 Salisbury 2 +0.9
+0.0
Swindon Superma 1 Winchester City 1 +0.6
+0.0
Kidlington 0 Salisbury 1 -0.2
-0.1
Winchester City 0 Taunton Town 5 *+0.1
Week of 4/21100.0*Chance in playoffs100.0*Average seed
Wimborne Town 4 Paulton Rovers 1 +14.8
+0.8
Cinderford Town 2 Bristol Manor F 0 +4.8
+0.1
Mangotsfield Un 0 Evesham United 2 -3.7
-0.2
Bishop's Cleeve 0 Swindon Superma 5 -3.5
-0.1
Cinderford Town 3 Bideford 4 -3.5
-0.1
Winchester City 1 Cirencester Town 2 -3.1
-0.1
Salisbury 1 Bideford 0 +2.5
+0.1
Slimbridge 4 Bideford 3 +2.3
+0.1
Taunton Town 2 Bristol Manor F 1 +2.3
+0.2
Salisbury 2 Didcot Town 1 +1.5
Didcot Town 4 Larkhall Athletic 2 -1.3
North Leigh 0 Didcot Town 2 -1.3
Totton 1 Wimborne Town 1 +1.1
-0.1
Cirencester Town 3 Kidlington 2 -0.8
Week of 4/28100.0*Chance in playoffs100.0*Average seed
Evesham United 1 Totton 0 -0.4
Wimborne Town 5 Slimbridge 0 +0.3
Swindon Superma 3 Barnstaple Town 0 -0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs