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What is the percent of change from $2$ to $1$ ? $\newline$ Choices: $\newline$ (A) $1\%$ increase $\newline$ (B) $50\%$ decrease $\newline$ (C) $50\%$ increase $\newline$ (D) $1\%$ decrease

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Percent of change

Full solution

Q. What is the percent of change from

2

to

1

?

\newline

Choices:

\newline

(A)

1\%

increase

\newline

(B)

50\%

decrease

\newline

(C)

50\%

increase

\newline

(D)

1\%

decrease

Calculate Difference: Calculate the difference between the final and initial values. $\newline$ Initial value: $2$ $\newline$ Final value: $1$ $\newline$ Difference = Final value - Initial value = $1 - 2 = -1$
Calculate Percent Change: Calculate the percent of change using the formula. $\newline$ Percent of change = $(\frac{\text{Difference}}{\text{Initial value}}) \times 100\%$ $\newline$ Percent of change = $(\frac{-1}{2}) \times 100\%$ = $-50$ \%
Determine Increase or Decrease: Determine if it's an increase or decrease. $\newline$ Since the percent change is negative, it indicates a decrease.

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