As per question,
Finished homework by neha $$=73 \% =\dfrac{73}{100}$$
Homework left for minakshi $$ 1−\dfrac{5}{8}=\dfrac{3}{8}$$
Percentage form of $$\dfrac{3}{8}=37.5 \%$$
Now, homework left by neha $$=(100−73)=27 \%$$
Percentage form of $$27\%=\dfrac{27}{100}$$
So, minakshi finished a good $$\%$$ of homework.