June 8, 2016. Difficulty fell by -1.63% to 196.06B from 199.31B.
Change
-1.63%
New difficulty
196.06B
Period length
14.2 days
Network hashrate then (7-day)
1.4 EH/s
Bitcoin price then
$578
Hashprice then
$1,444/PH/day
The 2,016 blocks before it took 14.2 days, longer than the 14 intended, so hashrate had fallen, and difficulty fell by 1.63%: an ordinary adjustment. For every machine on the network that is a pay rise of the same size until the next retarget.