Update cell, automatically copy row to a separate sheet

Question

I have a worksheet comprising of two columns (A and B) ... the first of which is just a name, the second is a number.

If I make an edit to a number in column B, I want E

Answer 1

Here is some additional code to check the row number, as per the above answer and comments.

Dim row_num As Long
row_num = Cells(Rows.Count, "B").End(xlUp).Row
If row_num > 1 then row_num = row_num + 1 'Add 1 only when row number doesn't equal to 1, otherwise - 1.