How are these numbers calculated?

Big Games

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

Tuesday, 4/3100.0*Chance in playoffs100.0*Average seed
BF 13 HA 18 +15.7
+0.7
LO 24 MEL 13 +0.4
If winner is:HomeTieAway
Wednesday, 4/4100.0*Chance in playoffs100.0*Average seed
EC vs OS+3.9+3.4-4.1
+0.1+0.1-0.1
BF vs MEL-3.2-2.0+3.3
-0.2-0.1+0.2
BF vs SAL-2.8-1.9+2.9
-0.1-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
163-0-0In011414170520,630
152-0-1100.0%11850292081,618
142-1-098.104344713201,557,260
1-0-299.6435501104,465
131-1-190.1043848100163,637
0-0-389.4327591166
121-2-065.41234132301,558,180
0-1-270.2122472824,289
110-2-125.82245915082,124
100-3-08.31860311520,075
Total:75.0%01718272220504,492,344
Games Above .500
Chance Will Make Playoffs