



 
Bill, If some value changes over time then the percentage change is the change as a percentage of the original value. That is In your case the change is new value  original value = $1,673,405  $3,465,660 =  $1,792,255. Hence the percentage change is (  $1,792,255/$3,465,660) × 100 = 51.7%. Since this value is negative there has been a decrease so you might say there has been a 51.7% decrease. I hope this helps,  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 