HARRISBURG - Pandemic-related shutdowns in Pennsylvania, the nation’s No. 2 commercial gambling state, helped knock casino revenue down by 18%, state regulators reported Thursday, and it would have been much worse without the advent of online gambling and sports betting.Revenue from regulated gambling in Pennsylvania shrank to $2.7 billion in the just-finished fiscal year, down from a new record high above $3.3 billion a year ago, according to the Pennsylvania Gaming Control Board.MORE: Borgata set to reopen July 26, last of Atlantic City's 9 casinosRevenue from slot-machine gambling was down by $680 million and table games were down by about $240 million, both nearly 30%.