The current difficulty is 700.9 PH. The next difficulty is estimated at 698.6 PH, a change of −0.33%. The difficulty changes globally every time a new block is mined, based on how fast blocks are being found.
Hash Price Report
The last block was at height 29,552. The current block reward is 216,357.6 SCP. Based on this and on the current difficulty, miners are being paid 299.4220 SCP/PH, which corresponds to about 25.87 SCP/day per GH/s.