November 16, 2018. Difficulty fell by -7.39% to 6.65T from 7.18T.
Change
-7.39%
New difficulty
6.65T
Period length
15.1 days
Network hashrate then (7-day)
47.2 EH/s
Bitcoin price then
$5,659
Hashprice then
$243/PH/day
The 2,016 blocks before it took 15.1 days, longer than the 14 intended, so hashrate had fallen, and difficulty fell by 7.39%: a large adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.