How are these numbers calculated?

Big Games

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

Sunday100.0*Average seed
Celtics 122 Spurs 86 +0.1
Knicks 101 Celtics 83 -0.1
Celtics 104 Nets 116 -0.1
Bulls 124 Hawks 99 +0.1
Trailblazers 107 Hawks 109 -0.1
Suns 120 Hawks 100 +0.1
Heat 115 Hawks 117 -0.1
If winner is:HomeAway
Tuesday100.0*Average seed
Celtics vs 76ers+0.1-0.1
Spurs vs Celtics-0.1+0.1
Celtics vs Raptors+0.1-0.1
Celtics vs Nuggets+0.1-0.1
Hawks vs Bucks-0.1+0.1
Magic vs Hawks+0.1-0.1
Hawks vs Clippers-0.1+0.1
Hawks vs Wizards-0.1+0.1

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415Count
5711-0In98298
5610-1In955921
559-2In82184,577
548-3In623813,553
537-4In376327,120
526-5In1783038,240
515-6In594137,589
504-7In196426,839
493-8In0871313,447
482-9In683204,482
471-10In41581873
460-11In14751295
Total:In197830167,834
Games Above .500
Chance Will Make Playoffs