How are these numbers calculated? (show)

Points Above 12th  (Full Screen)
Chance Will Win Championship  (Full Screen)
RaceFinishStartLapsLeadPointsBonusPenaltyTotalPurse
Daytona 500530152241555160$541,113
Auto Club 5002520249888898,350
Shelby 4272933283767696,900
Kobalt Tools 500201432710310386,575
Food City 500202250210310399,975
Goody’s Fast Relief 5003117497707081,625
Samsung 50032423296767102,700
Subway Fresh Fit 5003240310676777,475
Aaron’s 499193918831065111100,275
Crown Royal Presents Richmond 4002532400888880,925
Southern 50014193672121512695,700
Coca-Cola 6003115226707098,775
Dover 400271039828258791,350
Pocono 500252720028859378,900
LifeLock 400122520012712791,925
Toyota/Save Mart 350108113134134100,425
Lenox Industrial Tools 301262327218559085,650
Coke Zero 4001023160134134115,800
LifeLock.com 400273426518258795,475
Allstate 400 at the Brickyard4042454343150,050
Pennsylvania 5002425200919179,675
NASCAR Sprint Cup Series at the Glen321978676771,400
Michigan 4002534200888887,100
Sharpie 50026424988585101,400
Pep Boys Auto 5002121325100100101,300
Chevy Rock and Roll 4003434396616176,725
Sylvania 300835300142142103,500
Dover 400 Number 23034353737378,875
Kansas 400204226621035108102,650
Pepsi 5003239244676797,100
Bank of America 5002638332858578,725
Tums Fast Relief 500214050010010082,575
Amp Energy 50092619112138514397,875
Dickies 50022333329797112,300
Checker O'Reilly Auto Parts 5002835308797978,750
Ford 40041211164040
10,122493,305+45-0=3,350$3,719,913