How are these numbers calculated?

Big Games

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

Tuesday, 1/4100.0*Chance in playoffs100.0*Average seed
BB 48 JSD 51 +18.9
+0.6
ZOE 53 LXG 65 +2.0
+0.0
CG 63 OZT 77 -0.1
If winner is:HomeAway
Wednesday, 1/5100.0*Chance in playoffs100.0*Average seed
JSD vs LXG+17.2-6.6
+0.7-0.3
BB vs OZT-5.2+3.6
-0.1+0.1
ZOE vs CG+1.8-1.3

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
64-0In75251,101,524
53-1In8692217,340,878
42-294.8%01150335017,816,658
31-336.0333521218,233,197
20-4Out15856,662,227
Total:62.3%3142223221551,154,484
Games Above .500
Chance Will Make Playoffs