The radius of a right circular cylinder is decreased by $20\%$ and its height is increased by $25\%$. What is the absolute value of the percent change in the volume of the cylinder?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The radius of a right circular cylinder is decreased by $20\%$ and its height is increased by $25\%$. What is the absolute value of the percent change in the volume of the cylinder?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
20
The radius of a right circular cylinder is decreased by $20\%$ and its height is increased by $25\%$. What is the absolute value of the percent change in the volume of the cylinder?
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