November 10, 2017. Difficulty fell by -6.09% to 1.36T from 1.45T.
Change
-6.09%
New difficulty
1.36T
Period length
14.9 days
Network hashrate then (7-day)
10.0 EH/s
Bitcoin price then
$7,074
Hashprice then
$1,310/PH/day
The 2,016 blocks before it took 14.9 days, longer than the 14 intended, so hashrate had fallen, and difficulty fell by 6.09%: a large adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.