Lifehacker has an excellent case guide on when it is ok to accept a pay cut in your new job. At the end, however, the best advice is that anything that will make you have a happier life is the right thing to do. If that’s a pay cut and less money to spend, so be it.
https://lifehacker.com/when-it-is-and-isnt-worth-accepting-a-pay-cut-1169400530