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To calculate percentage change, you should use the following formula:

\n

[(New - Original) / Original]    x 100   =    Percentage change (remember to check your notes)

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At the start of a party, there are $\\var{partyorig}$ people present. At the end of the party, there are $\\var{partynew}$. What is the percentage change?

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$\\var{partychange}$%

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$\\var{wrongparty1}$%

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$\\var{wrongparty2}$%

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$\\var{wrongparty3}$%

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Jeremy is going on holiday to Las Vegas. He starts off with £$\\var{original}$. By the end of his holiday, he has £$\\var{new}$. What is the percentage change in his money?

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$\\var{change}$%

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$\\var{wrongchange1}$%

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$\\var{wrongchange2}$%

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$\\var{wrongchange3}$%

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At the puppy farm (for pets, not food!), there are initially $\\var{orig}$ puppies. After 5 months, there are $\\var{newn}$ puppies. What is the percentage change in puppies?

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$\\var{chang}$%

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$\\var{wrongchang1}$%

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$\\var{wrongchang2}$%

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$\\var{wrongchang3}$%

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Give the percentage change (to 2 decimal places) for the following scenarios:

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Questions about percentage change.

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