How are these numbers calculated?

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Thursday100.0*Lottery seed
Detroit 3 Carolina 2 +0.7
Ottawa 5 Pittsburgh 1 -0.2
Colorado 3 Nashville 5 -0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Lottery seed
Philadelphia vs Carolina+0.7+0.1+0.1-0.5-0.5-0.5
Pittsburgh vs NY Islanders+0.2+0.2+0.2-0.1-0.1-0.2
Colorado vs Winnipeg+0.1+0.1+0.1+0.0+0.1-0.2
NY Rangers vs Ottawa+0.1+0.2+0.1-0.1-0.1-0.2
Tampa Bay vs New Jersey+0.1+0.1+0.1-0.0-0.0-0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPWL-OT123456789101112131415161718192021222324252627282930
8620-01045378
8510-12195227
8411-02235817
00-22235817
8301-175835
8202-02377
Total:315263619
Points
Chance Will Make Playoffs