How are these numbers calculated?

Big Games

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

Week of 7/24100.0*Chance in playoffs100.0*Average seed
AlexM 0 finius_lyn 2 +1.7
+0.2
If winner is:HomeTieAway
nethershad0w vs mturianIn-62.9Out
+0.7-1.6-2.0
Ziggyny vs EvilDave-2.7+7.8+7.8
-0.1+0.2-0.5
rbuehler vs Strobinator+3.7+3.8-2.7
+0.2+0.2-0.1

What If

Chances based on how well the nethershad0w finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678Count
111-0-0In99111,777,992
90-0-110.8%1146434,142,309
80-1-0Out3268662,163
Total:73.7%713131316,582,464
Points
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 7/24100.0*Lottery seed
slewinter 2 Quaznar 4 +0.3
AlexM 0 finius_lyn 2 -0.2
lmdemasi 1 PunisherONE 0 -0.0
If winner is:HomeTieAway
nethershad0w vs mturian-1.0+2.4+3.9
Ziggyny vs EvilDave+0.1-0.2+1.0
rbuehler vs Strobinator-0.2-0.2+0.1
SSSnuggles vs HairyFrog+0.1+0.0-0.0

What If

100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-L-T12345678910111213141516
111-0-029700
90-0-11143433
80-1-0265916
Total:16903111231