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What is the percent of change from $50$ to $31$ ? $\newline$ Choices: $\newline$ (A) $19\%$ increase $\newline$ (B) $19\%$ decrease $\newline$ (C) $38\%$ increase $\newline$ (D) $38\%$ decrease

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Percent of change

Full solution

Q. What is the percent of change from

50

to

31

?

\newline

Choices:

\newline

(A)

19\%

increase

\newline

(B)

19\%

decrease

\newline

(C)

38\%

increase

\newline

(D)

38\%

decrease

Calculate Difference: Calculate the difference between the initial and final values. $\newline$ Initial value: $50$ $\newline$ Final value: $31$ $\newline$ Difference: $31 - 50 = -19$
Calculate Percent Change: Calculate the percent of change based on the original amount. $\newline$ Original amount: $50$ $\newline$ Percent of change = $(\text{Difference} / \text{Original amount}) \times 100\%$ $\newline$ Percent of change = $(-19 / 50) \times 100\%$ $\newline$ Percent of change = $-0.38 \times 100\%$ $\newline$ Percent of change = $-38\%$
Determine Increase or Decrease: Determine if it's an increase or decrease. $\newline$ Since the value decreased from $50$ to $31$ , it's a decrease.

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