Tekken X Street Fighter is not cancelled, just on hold, Tekken Director Katsuhiro Harada has declared.
The director was featured on a recent episode of Harada’s Bar, a YouTube talk show of the director's creation, Harada was subtitled saying, “yeah, development stopped but we got about 30%...
I want to say it's one to one, but in all honesty I'm a bit fuzzy there. I can recommend JoyFreak's sister site AdminIntel - Admin & Webmaster Resource where there are lots for people of varying degrees of expertise with development, you likely can get a far more precise answer there!