How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Level 9100.0*Average seed
Barnstaple Town 0 Cinderford Town 2 +0.1
-0.0
Slimbridge 1 Mangotsfield 8 +0.1
Fleet Town 0 Melksham Town 3 +0.0
Week of 4/20100.0*Level 9100.0*Average seed
Highworth Town 1 Barnstaple Town 1 Yes
Barnstaple Town 2 Street 4 -0.0
Week of 4/27None
Points
Chance Will Make Playoffs