July 17, 2021. Difficulty fell by -4.81% to 13.67T from 14.36T.
Change
-4.81%
New difficulty
13.67T
Period length
14.7 days
Network hashrate then (7-day)
101.7 EH/s
Bitcoin price then
$32,299
Hashprice then
$335/PH/day
The 2,016 blocks before it took 14.7 days, longer than the 14 intended, so hashrate had fallen, and difficulty fell by 4.81%: an ordinary adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.