Automated Code execution in different folders as per iteration and value

I wanted to automate the code execution in different folder as per iteration.
 This works!

perc = 0.05:0.2:1;
for folder = 1:length(perc)
    percent = perc(folder);
    r = sqrt(percent/pi)*4;
  
    switch(folder)
        case 1
            cd 1
           run_me_deAR(r)
            pwd
%             pause
            cd ..
     
        case 2
            cd 2
            run_me_deAR(r)
            pwd
%             pause
            cd ..
% %         case 3
% %             cd 3
% %             run_me_deAR(r)
% %             pwd
% % %             pause
% %             cd ..
% %         case 4
% %             cd 4
% %             run_me_deAR(r)
% %             pwd
% % %             pause
% %             cd ..
% %         case 5
% %             cd 5
% %            run_me_deAR(r)
% %             pwd
% % %             pause
% %             cd ..
% %           
          
          
          
    end
end