Deepak, if u check my initial code...i have written a formula which will extract the discount% from column D & update it in column H.
For your reference the formula to be update in column h is
=IFERROR(MID(d3,FIND("$",d3,1),FIND(" ",d3,FIND("$",d3))-FIND("$",d3)),MID(SUBSTITUTE(d3,"...