Answer:
<em>Your answer is -12.8%</em>
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Step-by-step explanation:
<em>To calculate the percent decrease, we:</em>
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<em>Find the difference between the new value and the original</em>
<em>Divide the number by the original</em>
<em>Multiply by 100 and the % symbol.</em>
<em>The population of the town originally had 25,000. 3,200 people moved away. This means that the new population is 21,800.</em>
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<em>21,800-25,000=-3,200</em>
<em>-3,200/25,000=-0.128</em>
<em>-0.128(100)=-12.8%</em>
<em>The towns population decreased by 12.8%.</em>
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