There is a percentage decrease of 50% in the number of people from 72 people to 36 people
An equation is an expression used to show the relationship between two or more numbers and variables.
There is a change of 72 people to 36 people, hence:
Percentage change = [(36 - 72) / 72] * 100% = -50%
There is a percentage decrease of 50% in the number of people from 72 people to 36 people
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