If you would like to have your page number start with a high number, the following formula with accomplish this task.
The following formula example with begin the first page starting with 3
NumberVar BeginNum := 3;
“Page ” + ToText((PageNumber + BeginNum), 0) + ” of ” + ToText((TotalPageCount + BeginNum), 0)
The ToText() function is used to display your numeric values with no decimal digits.