A bike is purchased for $200 and sold for $150. Determine the percentage of profit or loss.

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A bike is purchased for $200 and sold for $150. Determine the percentage of profit or loss.

Since sale price is less than purchase price, we have a loss:
Loss = Sale Price - Purchase Price
Loss = 150 - 200
Loss = -50

Calculate percent loss:
Percent Loss = 100% * Loss / Purchase Price
Percent Loss = 100% * -50/200
Percent Loss = 100% *- 1/4
Percent Loss = -25%