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 -12.0
-0.6
ZOE 53 LXG 65 +2.3
CG 63 OZT 77 +0.3
If winner is:HomeAway
Wednesday, 1/5100.0*Chance in playoffs100.0*Average seed
BB vs OZT+16.6-16.6
+0.8-0.8
JSD vs LXG-1.2+1.2
-0.1+0.1
ZOE vs CG+0.3-0.3

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
64-0In782201,004,270
53-1In15572623,990,620
42-292.8%0104142705,988,148
31-330.032752183,992,992
20-4Out11891,003,470
Total:73.5%9192323161015,979,500
Games Above .500
Chance Will Make Playoffs