Respuesta :

Answer:

1). 25% percentage increase

2). 75% percentage decrease

Step-by-step explanation:

1.

[tex]Percent \: of \: change = \frac{amount \: of \: change}{original \: amount} \times 100\%[/tex]

Amount of change =30-24=6

Original amount = 24

[tex]Percent \: of \: change = \frac{6}{24} \times 100\%[/tex]

[tex]Percent \: of \: change = \frac{1}{4} \times 100\% = 25\%[/tex]

This means there is a percentage increase of 25%

2.

Amount of change =4-16=-12

Original amount=16

[tex]Percent \: of \: change = \frac{ - 12}{16} \times 100\%[/tex]

[tex]Percent \: of \: change = - \frac{3}{4} \times 100\% = - 75\%[/tex]

This means there is a percentage decrease of 75%

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