My table didn't format well after posting. I reformatted it below.

Product # Salesperson Quanity Percentage
1 Amy 10 **
1 Ron 20 **
1 Jim 10 **
Product # 1 Total 55
2 Amy 15 **
2 Ron 15 **
2 Jim 35 **
2 Bill 20 **
Product # 2 Total 85
3 Jim 35 **
3 Bill 20 **
Product # 3 Total 55