Please help to find out unmatched data formula

Sabeel 

Please find the two files, one with an Array Formula to get the desired data and another with Power Query based solution.

For the formula solution, you will find the below Array Formula in M2 which is copied across and down.

=IFERROR(INDEX(A$2:A$9,SMALL(IF(ISNA(MATCH($A$2:$A$9,$E$2:$E$3,0)),ROW($A$2:$A$9)-ROW($A$2)+1),ROWS(A$2:A2))),"")