This will give you the percentages for individual segments of each of your 22 chromosomes.
For bychr (percentages per chromosome) you simply replace the genomewide setting with bychr.
Remember to save your changes as dv3.par once you have finished to edit the file.
Enter the same commands into the R console and wait a few minutes for your results. Your bychr results will appear in a bychr file in your DIYDOD file.