How are these numbers calculated?

Big Games

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

Tuesday, 4/2100.0*Chance in playoffs100.0*Average seed
MCN 9 SPA 6 +2.5
+0.1
MEL 19 ABJ 15 +1.6
+0.1
SPA 15 VR 5 -1.1
-0.0
If winner is:HomeTieAway
EC vs ABJ+20.9-1.7-20.8
+1.0-0.1-1.0
MCN vs VR+2.6-0.6-2.5
Wednesday, 4/3100.0*Chance in playoffs100.0*Average seed
WP 17 HA 12 +1.9
+0.0
WP 12 ABJ 8 +1.5
If winner is:HomeTieAway
HA vs ABJ+0.4*-0.2-0.3
-0.0-0.1+0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011Count
135-0-0In116722195,742
124-0-1In374643150,957
114-1-0In1448361969,405
3-0-2In12493815,406
103-1-199.9%637421240204,413
2-0-3In5384773266
93-2-097.901284722201,937,080
2-1-296.900234628316,149
1-0-487.5136313138
82-2-164.301023313060306,503
1-1-370.392438273528
72-3-027.7226521911,937,751
1-2-218.91185227216,206
0-1-428.6294314147
61-3-13.604295117203,905
0-2-30.40335512273
51-4-00.30125434968,607
0-3-20.10851425,310
40-4-1Out0217951,006
30-5-0Out1189195,612
Total:57.8%0238141515191587,065,134
Games Above .500
Chance Will Make Playoffs