PANDEMIC.NOW PF CHANG'S SAYS IT'S BACKTO ALMOST 90% OF PRE-PANDEMICSTAFFING.THE COMPANY SAYS REOPENING OFPLACES...AND DELIVERY OPTIONSHELPED SAVE MANY JOBS.PF CHANGS LAID OFF SOME FOLKSEARLIER THIS YEAR.NOW IT SAYS...STAFFERS WILL HAVE THEIR HOURSREDUCED.THAT'S ACCORDING TO THE LETTERSENT TO STATE OFFICIALS.SOME LO