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 -22.3
-0.5
Monday, 4/3100.0*Chance in playoffs100.0*Average seed
RS 3 HA 4 -3.4
-0.1
If winner is:HomeTieAway
RS vs HA+27.7+22.7-3.2
+0.4+0.3-0.0

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
83-0-0100.0%89110111,154
72-0-199.98020067,853
62-1-096.8366132,319,471
1-0-297.33562314,690
51-1-190.2187210980,375
0-0-381.98218790
41-2-047.53455316,334,909
0-1-233.2336771,929
30-2-118.719812,231,411
20-3-0Out10022,861,254
Total:25.6%4227444,993,836
Games Above .500
Chance Will Make Playoffs