Complex sentence: These coincided with a Puritan revival, and a fall in Bath's popularity leading to a decline in receipts and combined with rising payments for actors from London, meant that the theatre underwent financial crises and fell into a period of decline.
Split into simpler sentences: These coincided with a Puritan revival and a fall in Bath's popularity; reductions in receipts were compounded by rising payments for actors from London. As a result, the theatre underwent financial crises and fell into a period of decline.