Question

Find the percent of change,Round to the nearest whole percent:
Original:54
New:45

Answer 1

`p\% \ of \ 54=45 \\\\ (p)/(100)*54=45 \\\\ (p)/(50)*27=45 \\\\ (p)/(50)=(45)/(27) \\\\ p=(45*50)/(27) \\\\ p=(5*50)/(3) \\\\ p=(250)/(3) \\\\ \boxed{p=83.3\% \approx 83\%}`