This is my cross-tab crystal report for sales per week. In last column I need the "Change" column at last in which ((21-Jun's value - 14-Jun's value)/14-Jun's value)*100 will be shown. But I am not be able to achieve that in crystal report.
**Product Customer 31-May 7-Jun 14-Jun 21-Jun**
J.B. Officeprint 1111 Maxi-Teq 4.00 1.00 1.00 1.00
Microchips 1.00 1.00 0.00 0.00
Parameter 2.00 1.00 0.00 0.00
Total 7.00 3.00 1.00 1.00
J.B. Officeprint 1420 Maxi-Teq 4.00 1.00 1.00 1.00
Microchips 1.00 1.00 0.00 1.00
Parameter 2.00 1.00 0.00 1.00
Total 7.00 3.00 1.00 3.00
Motherboard BTX Maxi-Teq 1.00 0.00 0.00 0.00
Total 1.00 0.00 0.00 0.00
Motherboard MicroATX Maxi-Teq 1.00 0.00 0.00 0.00
Total 1.00 0.00 0.00 0.00
Printer Paper A4 Parameter 0.00 0.00 1.00 0.00
Total 0.00 0.00 1.00 0.00
Printer Paper A4 White Maxi-Teq 0.00 0.00 0.00 12.00
Microchips 0.00 0.00 30.00 0.00
Parameter 0.00 0.00 6.00 0.00
Total 0.00 0.00 36.00 12.00
Grand Total 16.00 6.00 39.00 16.00