What is the percent of change from 12 to 21? Choices: [[75% increase][9% decrease][75% decrease][9% increase]]

Calculate difference: Calculate the difference between the final value and the initial value to find the amount of change. Difference = Final value - Initial value Difference = 21 - 12 = 9Calculate percent of change: Calculate the percent of change using the formula: percent of change = (Amount of change / Original amount) × 100% percent of change = (9 / 12) × 100%Perform division and multiplication: Perform the division and multiplication to find the percent of change. percent of change = 0.75 × 100% percent of change = 75%Determine increase or decrease: Determine whether the percent of change is an increase or decrease. Since the value has gone up from 12 to 21, it is an increase.

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What is the percent of change from $12$ to $21$ ? $\newline$ Choices: $\newline$ (A) $75 \%$ increase $\newline$ (B) $9\%$ decrease $\newline$ (C) $75\%$ decrease $\newline$ (D) $9\%$ increase

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Q. What is the percent of change from

12

21

\newline

Choices:

\newline

(A)

75 \%

increase

\newline

(B)

9\%

decrease

\newline

(C)

75\%

decrease

\newline

(D)

9\%

increase

Calculate difference: Calculate the difference between the final value and the initial value to find the amount of change. $\newline$ Difference = Final value - Initial value $\newline$ Difference = $21 - 12 = 9$
Calculate percent of change: Calculate the percent of change using the formula: $\newline$ percent of change = $(\text{Amount of change} / \text{Original amount}) \times 100\%$ $\newline$ percent of change = $(9 / 12) \times 100\%$
Perform division and multiplication: Perform the division and multiplication to find the percent of change. $\newline$ percent of change = $0.75 \times 100\%$ $\newline$ percent of change = $75\%$
Determine increase or decrease: Determine whether the percent of change is an increase or decrease. $\newline$ Since the value has gone up from $12$ to $21$ , it is an increase.