so 13.27 is what percent of 70.52 percent means parts out of 100
what percent of 70.52 'of' can be tranlated to mutiply 13.27=x% times 70.52 13.27=x/100 times 70.52 13.27=70.52x/100 13.27=0.7052x divide both side by 0.7052 18.82 the answer is 18.8%
the easy way is
to find percent assume 70.27=100 so x/100= 13.27/70.52 then multiply by 100=0.18817 multipliy 100 18.817=round 18.8%