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31 December, 06:31

Work out the percentage change to 2 decimal places when a price of £189 is decreased to £150.

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  1. 31 December, 06:49
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    The percentage change is - 21%

    Step-by-step explanation:

    The percentage change can be expressed by the formula;

    (new price - old price) / old price * 100%

    New price = £150

    old price = £189

    Inputing these values in the formula, we have;

    (150-189) / 189 * 100%

    -39/189 * 100%

    = - 20.63% and that is approximately - 21%
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