November 7, 2019. Difficulty fell by -7.10% to 12.72T from 13.69T.
Change
-7.10%
New difficulty
12.72T
Period length
15.1 days
Network hashrate then (7-day)
91.7 EH/s
Bitcoin price then
$9,343
Hashprice then
$188/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 7.10%: a large adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.