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
MEL 12 MCN 10 +0.8
SPA 18 MEL 14 -0.8
MEL 17 QE 20 -0.8
If winner is:HomeTieAway
MEL vs HA+0.5-0.1-0.5
MCN vs VR+0.0-0.1-0.0
If winner is:HomeTieAway
Monday, 4/8100.0*Average seed
EG vs MEL-0.8-0.1+0.8
VR vs MEL-0.7-0.1+0.8
ABJ vs QE-0.1+0.1+0.1
ABJ vs MCN-0.1+0.0+0.1
VR vs EG+0.0-0.1-0.0

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678Count
104-0-0In75142399,978
93-0-1In010819083,713
83-1-0In27502221,592,473
2-0-2In20631706,732
72-1-1In266411251,165
1-0-3In96328218
62-2-0In10473862,386,494
1-1-2In44943313,178
51-2-1In1367210250,790
0-1-3In06931218
41-3-0In4414871,590,597
0-2-2In425356,642
30-3-1In9632883,481
20-4-0In14554399,457
Total:In0391624261757,065,136
Games Above .500
Chance Will Make Playoffs