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
MEL 19 ABJ 15 +0.2
+0.0
MCN 9 SPA 6 +0.1
-0.1
If winner is:HomeTieAway
EC vs ABJ+0.1-0.5-0.0
+0.0-0.1-0.0
MCN vs VR+0.1-0.3-0.1
-0.0-0.1+0.0
Wednesday, 4/3100.0*Chance in playoffs100.0*Average seed
EG 6 SAL 11 -0.2
-0.8
EG 6 MEL 8 -0.2
-0.8
WP 17 HA 12 -0.0
-0.1
WP 12 ABJ 8 -0.0
If winner is:HomeTieAway
HA vs ABJ+0.1-0.1-0.1
+0.1-0.0-0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567891011Count
111-0-0In1680503,442,984
100-0-1In2653120181,353
90-1-099.7%01642338003,440,797
Total:99.8%84824164007,065,134
Games Above .500
Chance Will Make Playoffs