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To find the percentage change from 40 to 48, we need to first calculate the difference between the two numbers.
Step 1: Difference = Final Value - Initial Value
Difference = 48 - 40
Difference = 8
Step 2: Next, we need to find the absolute value of the difference. This is because percentage change is always calculated as a positive value.
Absolute Difference = |Difference|
Absolute Difference = |8|
Absolute Difference = 8
Step 3: Now, we can calculate the percentage change using the formula:
Percentage Change = (Absolute Difference / Initial Value) x 100
Percentage Change = (8 / 40) x 100
Percentage Change = 20%
Therefore, the percentage change from 40 to 48 is 20%. This means that there was an increase of 20% from 40 to 48.