How are these numbers calculated?

Big Games

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

Thursday, 3/23100.0*Chance in playoffs100.0*Average seed
RS 4 SPA 19 -13.5
-0.4
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS 3 HA 4 -12.2
-0.4
If winner is:HomeTieAway
RS vs HA+14.0+5.9-14.3
+0.2+0.1-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
83-0-099.4%564311,640,376
72-0-193.031627257,692
62-1-065.8957344,902,983
1-0-266.37603413,553
51-1-143.314257515,197
0-0-334.33466210
41-2-013.8014864,900,362
0-1-210.8118913,577
30-2-15.7694257,721
20-3-0Out1001,638,673
Total:42.6%10325714,140,344
Games Above .500
Chance Will Make Playoffs