Like I said, it's somewhere between 39% and 72% according to various research and you need to take this seriously because climate change global warming propaganda shit is just getting started.
CNN will be one of the first to report this news 24/7, this will include Bitcoin in bad image package, and I already see some crypto influencers claiming that Bitcoin should switch to Proof-of-stake (btw I don't agree with this) because it's bad for environment.
We can survive few incidents with hashrate drops but remember what happened with fees days and weeks after that, and media fud would be like putting more petrol on fire.