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Everyone makes mistakes. Just don’t make the same mistake twice, okay?
There were 160 smarties in the box yesterday, but now there are 116, what is the percentage change?
The right answer is: 27.5%
Answer (Method 1): 160 to 116 is a decrease of 44. Compared to yesterday's value: 44/160 = 0.275 = 27.5% decrease. Answer (Method 2): Compare today's value with yesterday's value: 116/160 = 0.725 = 72.5%, so the new value is 72.5% of the old value.
Subtract 100% and you get -27.5%, or a 27.5% decrease.
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