August 2, 2016. Difficulty fell by -5.43% to 201.89B from 213.49B.
Change
-5.43%
New difficulty
201.89B
Period length
14.8 days
Network hashrate then (7-day)
1.5 EH/s
Bitcoin price then
$606
Hashprice then
$831/PH/day
The 2,016 blocks before it took 14.8 days, longer than the 14 intended, so hashrate had fallen, and difficulty fell by 5.43%: a large adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.