In 2008 there were 4200 IBM employees in Rochester
In 2017, there were 2,427 (Jan. 13, 2017)
That's a 42.2% drop in about 9 years.
To achieve the same 2008 employment levels, IBM Rochester would have to grow 73%
See more here: http://www.postbulletin.com/blogs/kigersnotebook/ibm-posting-shows-employees-in-rochester/article_34fa3f5e-4168-11e7-9bbc-9b09be58fe98.html