March 30, 2017. Difficulty rose by +5.03% to 499.64B from 475.71B.
Change
+5.03%
New difficulty
499.64B
Period length
13.3 days
Network hashrate then (7-day)
3.5 EH/s
Bitcoin price then
$1,040
Hashprice then
$475/PH/day
The 2,016 blocks before it took 13.3 days instead of 14, so the network had more hashrate than the difficulty assumed, and difficulty rose by 5.03%: a large adjustment. For every machine on the network that is a pay cut of the same size until the next retarget.