What is the percent of change from 4 to 2? Choices: (A)100% increase (B)100% decrease (C)50% decrease (D)50% increase

Calculate Difference: Calculate the difference between the initial and final values. Initial value: 4 Final value: 2 Difference: 2 - 4 = -2 Amount of change is -2.Calculate Percent Change: Calculate the percent of change using the formula. Original amount: 4 Percent of change = (Amount of change / Original amount) × 100% Percent of change = (-2 / 4) × 100% = -0.5 × 100% = -50%Determine Increase or Decrease: Determine if it's an increase or decrease. Since the number goes down from 4 to 2, it is a decrease.

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Math Problems

Grade 8

Percent of change

Full solution

Q. What is the percent of change from

4

2

\newline

Choices:

\newline

(A)

100\%

increase

\newline

(B)

100\%

decrease

\newline

(C)

50\%

decrease

\newline

(D)

50\%

increase

Calculate Difference: Calculate the difference between the initial and final values. $\newline$ Initial value: $4$ $\newline$ Final value: $2$ $\newline$ Difference: $2 - 4 = -2$ $\newline$ Amount of change is $-2$ .
Calculate Percent Change: Calculate the percent of change using the formula. $\newline$ Original amount: $4$ $\newline$ Percent of change = $(\text{Amount of change} / \text{Original amount}) \times 100\%$ $\newline$ Percent of change = $(-2 / 4) \times 100\%$ $\newline$ = $-0.5 \times 100\%$ $\newline$ = $-50\%$
Determine Increase or Decrease: Determine if it's an increase or decrease. $\newline$ Since the number goes down from $4$ to $2$ , it is a decrease.