Marked price of table $$=$$ Rs $$625$$
Sale price of table $$=$$ Rs $$500$$
Ratio of sale price to Marked price $$=$$ Rs $$500:$$ Rs 625
$$\begin{aligned}&=\frac{R s 500}{R s 625} \\&=\frac{4}{5}\end{aligned}$$
$$\therefore \textbf{Ratio of sale price to Marked price = 4 : 5}$$