February 17, 2022. Difficulty rose by +4.78% to 27.97T from 26.69T.
Change
+4.78%
New difficulty
27.97T
Period length
13.4 days
Network hashrate then (7-day)
212.4 EH/s
Bitcoin price then
$42,676
Hashprice then
$204/PH/day
The 2,016 blocks before it took 13.4 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 4.78%: an ordinary adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.