Formulas related to selling and cost price
When the Selling Price (SP) is greater than Cost Price (CP) the man makes a Profit or Gain.
Profit = Selling Price (SP) – Cost Price (CP)
If profit % is required to find then,
Profit % = (Profit/Cost Price) × 100
When the Selling Price (SP) is less than Cost Price (CP) the man suffers a Loss.
Loss = Cost Price (CP) - Selling Price (SP)
If loss % is required to find then,
Loss % = (Loss/CP) × 100