did fee changed to 1.8% from 0.9%?
from that link: pool takes 0.225 BTC per 12.5 BTC block.
0.225/12.5=1.8%
thanks
And updated it a year or so ago to match what it was back then.
And you can change it.
Though I did answer your question here ...
https://bitcointalk.org/index.php?topic=789369.msg15530716#msg15530716