How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeAway
Week of 1/6100.0*Chance in playoffs100.0*Average seed
MELON vs BLOB+30.4-30.4
+0.9-0.9
TORB vs MELON-17.5+17.5
-0.6+0.6
CAPY vs BUSS+5.0-5.0
+0.1-0.1
BLOB vs CAPY+3.3-3.3
+0.1-0.1
BUSS vs TORB+2.9-2.9
-0.1+0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345Count
32-095.8%296748,828,538
21-125.41244924117,617,060
10-2Out25758,829,902
Total:36.7%82926181935,275,500
Games Above .500
Chance Will Make Playoffs