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 -0.1
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS 3 HA 4 In
+0.2
If winner is:HomeTieAway
RS vs HA-0.2-0.1+0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
163-0-0In87131,638,232
152-0-1In5248257,813
142-1-0In48524,905,013
1-0-2In495113,784
131-1-1In1387515,688
0-0-3In1684225
121-2-0In118634,899,224
0-1-2In1187213,430
110-2-1In964257,613
100-3-0In64361,639,322
Total:In3263514,140,344
Games Above .500
Chance Will Make Playoffs