While Steem originally inflated at 100%, as of December 2016 is now is around 9% as explained in the updated bluepaper at https://steem.io/steem-bluepaper.pdf.
You should have seen my face when I loaded up 30,000+ Steem in my account expecting the 100% inflation in May 2017 only to realize it was way lower! I almost powered down and sold it all without telling anyone!