The percentage decrease is 35%.
Step-by-step explanation:
Given,
Revenue generated in first year = Old value = $1,500,000
Revenue generated in second year = New value = $975,000
Change = New value - Old value
Change = 975000 - 1500000= -$525000
The negative sign indicates the decrease.
Percent decrease = 
Percent decrease = 

The percentage decrease is 35%.
Keywords: percentage, subtraction
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