Solo miner has 8% of hashing power?



This is just another pool, not a solo miner.
Maybe. You could rent hashing power to grab 8% of the total hashing power for roughly 0.2 BTC / hour. Now if you run the numbers, if you got exactly 8% of the reward, you'd get 16 DRK, which atm is 0.256 BTC. However there is a statistically significant chance you also would not mine a single block in that time period as well, so unless you were planning on controlling that much hash power for at least 10 hours, you only would come out ahead by sheer luck.