The cost price of an article is ₹225, and its marked price is ₹900. If the seller offers a 58% discount on the marked price, what is his profit percentage?

The cost price of an article is ₹225, and its marked price is ₹900. If the seller offers a 58% discount on the marked price, what is his profit percentage?
एक वस्तु का क्रय मूल्य ₹225 है तथा इसका अंकित मूल्य ₹900 है। यदि विक्रेता अंकित मूल्य पर 58% की छूट देता है, तो उसका लाभ प्रतिशत ज्ञात कीजिए।