The profit made on a product is 49%. What is the loss percentage (rounded up to two decimal places) incurred on the sale if the figures of both the cost price and selling price are interchanged?

The profit made on a product is 49%. What is the loss percentage (rounded up to two decimal places) incurred on the sale if the figures of both the cost price and selling price are interchanged?
एक उत्पाद पर 49% लाभ हुआ। यदि क्रय मूल्य और विक्रय मूल्य दोनों के आंकड़े आपस में बदल दिए जाएँ, तो बिक्री पर होने वाला हानि का प्रतिशत (दशमलव  के दो  स्थानों तक पूर्णांकित) ज्ञात कीजिए।