Trying to rank data based on a % to last years sales. The formula I am using here is =IFERROR((IF(AND(F4=0,E4>0),E4/100,IF(AND(F4<0,E4>0),SUM(E4,ABS(F4))/100,(E4-F4)/F4))),"-"). Certain instances have 0 is both columns resulting in the "-".
EX here :
Sales (column E)
LY Sales (column F)
% to...