how to calculate a percentage salary increase
1 Enter the raise as a percentage 2  (%). In necessary, update the number of hours worked per week. 3  If you are paid $30.25 per hour, enter 30.25 in the Before Raise Pay Rate edit box and select hour in Pay Is By combo box.  If you are paid $50,000 per year, enter 50000 in the Before Raise Pay Rate edit box and select year in Pay Is By combo box.