How are these numbers calculated?

Big Games

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

Tuesday, 4/3100.0*Chance in playoffs100.0*Average seed
BF 13 HA 18 -3.4
-0.1
LO 24 MEL 13 +0.3
+0.1
If winner is:HomeTieAway
MEL vs QE-0.1+0.1+0.1
If winner is:HomeTieAway
Wednesday, 4/4100.0*Chance in playoffs100.0*Average seed
BF vs SAL+1.5-1.7-1.4
BF vs MEL-1.4+1.0+1.3
+0.0+0.1-0.0
EC vs OS+0.8-0.4-0.8
+0.1-0.0-0.1
EC vs SPA+0.8-0.5-0.8

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
144-0-092.7%0727342570255,136
133-0-175.103254724153,310
123-1-028.50524591201,011,210
2-0-224.2022265114,141
112-1-16.90755380160,244
1-0-36.0648442150
102-2-00.613261601,516,861
1-1-20.303165408,356
0-0-4Out1002
91-2-1Out1073170159,956
0-1-3Out47818144
81-3-0Out4573541,011,619
0-2-2Out2593634,205
70-3-1Out0285814052,949
60-4-0Out1256302254,061
Total:13.0%00238284114304,492,344
Games Above .500
Chance Will Make Playoffs