To find the percent change from 40 to 62, you can use the following formula:
\[ \text{Percent Change} = \left( \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \right) \times 100 \]
In this case, the old value is 40 and the new value is 62.
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Calculate the difference: \[ 62 - 40 = 22 \]
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Divide the difference by the old value: \[ \frac{22}{40} = 0.55 \]
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Multiply by 100 to get the percent change: \[ 0.55 \times 100 = 55% \]
Since 62 is greater than 40, the change is an increase.
Therefore, the percent change from 40 to 62 is 55% increase.
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