VMS Help MONITOR, MONITOR, STATES, Classname Qualifiers, /PERCENT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /PERCENT
       /NOPERCENT (default)

    Controls whether statistics are expressed as percent values in
    display and summary outputs. The /PERCENT qualifier is applicable
    only to the DISK, MODES, SCS, and STATES class names.