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 -14.1
-0.6
ZOE 53 LXG 65 +1.9
CG 63 OZT 77 +0.7
If winner is:HomeAway
Wednesday, 1/5100.0*Chance in playoffs100.0*Average seed
BB vs OZT+16.2-11.3
+0.8-0.6
JSD vs LXG-2.2+0.9
-0.1+0.1
ZOE vs CG+1.5-1.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
64-0In604002,244,281
53-1In56627210,999,984
42-296.0%01346374019,476,206
31-341.373549914,550,361
20-4Out17833,883,652
Total:74.2%421252417951,154,484
Games Above .500
Chance Will Make Playoffs