Ok I've lost 49 pounds since december, i wanted to know if it was alot?

in september i weighed 226, then in december 214, in december i got on a diet and began exersicing doing things like cardio, dance, kickboxing, and diets like no red meat, no bread, no fats or fried food. and now im down to 165..im going to keep losing but i wanted to know if im losing the weight at a good rate and if i have lost alot?