How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday100.0*Chance in playoffs100.0*Average seed
Lynchburg 0 Frederick 1 -2.3
-0.1
Lynchburg 3 Frederick 5 -2.3
-0.1
Winston-Salem 5 Wilmington 3 +0.6
Winston-Salem 11 Wilmington 3 +0.6
Potomac 4 Salem 2 -0.1
Potomac 5 Salem 4 -0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
Lynchburg vs Frederick+4.1-6.8
+0.2-0.3
Lynchburg vs Frederick+4.1-6.8
+0.2-0.3
Winston-Salem vs Wilmington+0.5-1.1
Potomac vs Salem-0.7+0.3
Potomac vs Salem-0.7+0.3

What If

Chances based on how well the Lynchburg finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678Count
4010-0In29853,460
399-1In0100403,909
388-2In01001,657,088
377-3100.0%01000004,016,067
366-499.910000006,372,386
355-599.6100000006,891,447
344-695.095131005,138,419
333-762.8630726402,603,948
322-87.98157295863,820
311-9Out0364815171,189
300-10Out11454424,439
Total:92.0%09200152028,196,172
Games Above .500
Chance Will Make Playoffs