The cost of a pound of nails increased from ​$2.03 to ​$2.46 What is the percent of increase to the nearest​ whole-number percent?

I think it's 21% when rounded to a whole number

17% you would divide 2.03 by 2.46 =.825 if you round it that would be .83. Then you subtract 83 from 100 = that equals17%. I hope I helped.