Answer :
so 45 to 30 is a difference of 15
the dereece is 15/45=1/3
to conver to percent, just divide the fraction, and multiply by 100
1/3=0.33333333...
multiply by 100
33.3333%
the dereece is 15/45=1/3
to conver to percent, just divide the fraction, and multiply by 100
1/3=0.33333333...
multiply by 100
33.3333%