How are these numbers calculated?

Big Games

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

Monday, 4/1100.0*Average seed
QE 30 HA 19 -0.6
HA 24 VR 12 +0.3
HA 37 ABJ 11 +0.3
ABJ 19 SPA 27 +0.1
SPA 18 MEL 14 +0.1
MEL 12 MCN 10 -0.0
If winner is:HomeTieAway
MEL vs HA-0.3-0.1+0.1
If winner is:HomeTieAway
Monday, 4/8100.0*Average seed
QE vs MCN-0.0+0.1+0.1
ABJ vs QE+0.1+0.1-0.0

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678Count
122-0-0In29811,400,273
111-0-1In199863,272
101-1-0In03263510,021,670
0-0-2In0100015,893
90-1-1In01658250355,198
80-2-0In03154151,755,102
Total:In163296124,411,408
Games Above .500
Chance Will Make Playoffs