https://www.rugbypass.com/news/harlequins-turnover-for-2020-21-revised-downwards-from-25million-to-8-5-9m-harlequins-premiership/

Having trouble pasting this on the go but the two bits that stood out

Quins’ turnover for the 2020/21 season has been revised downwards from £25million to £8.5/£9m due to 75 per cent of turnover being generated by matchday engagement with supporters, including season ticket sales

and

“It’s a big step forward, but it can’t disguise the fact that on a financial level it doesn’t stack up. We have real financial pressures and there are some clubs who are under significant pressure.” Harlequins are bankrolled by owners Duncan Saville and Charles Jillings, removing the threat of folding as a result of the coronavirus pandemic – a doomsday scenario potentially facing some of their rivals.