Profit = Selling Price – Cost Price
Loss = Cost Price – Selling Price
If Selling Price > Cost Price, there is a profit
If Cost Price > Selling Price, there is a loss
Profit percentage = (Profit / Cost Price) × 100
Loss percentage = (Loss / Cost Price) × 100
Selling Price = Cost Price + Profit
Selling Price = Cost Price – Loss
Cost Price = Selling Price – Profit
Cost Price = Selling Price + Loss