Use a base of 100 to find the overall percentage change.<br><br>&bull; Let original price = 100<br>&bull; After 25% increase: \(100 \times 1.25 = 125\)<br>&bull; After 20% decrease: \(125 \times 0.80 = 100\)<br>&bull; Overall change = 100 − 100 = 0<br><br>Final Answer: 0%