How are these numbers calculated?

Big Games

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

Week of 7/23100.0*Chance in playoffs100.0*Average seed
Venomoth 0 Salamence 1 +9.7
+1.5
Pachirisu 0 Pumpkaboos 4 -0.2
Joltiks 0 Braviaries 3 -0.1
If winner is:HomeAway
Week of 7/30100.0*Chance in playoffs100.0*Average seed
Braviaries vs Salamence-10.0+10.0
-1.6+1.6
Smeargles vs Pachirisu-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021222324Count
1715-0In100321
1614-1In10001,061
1513-2In99107,657
1412-3In93602033,473
1311-4In7121107000100,047
1210-5In3035101213000220,123
119-6100.0%316196252082000367,768
108-798.4016951523221351000470,330
97-841.00020026121822191251000471,778
86-90.50000025101621201572000366,176
75-100.00000141018242214510220,718
64-11Out001411233123799,772
53-12Out00315394333,603
42-13Out0217817,660
31-14Out4961,082
20-15Out0100335
Total:57.8%8753766655544444333322212,401,904
Games Above .500
Chance Will Make Playoffs