-47.69% is the change from 325 to 170
Calculation steps:
[( 170 - 325 ) ÷ 325] x 100 = -47.69%
Formula
Percentage change = [(170 - 325) / 325] x 100
Subtract the new number by the original number
170 - 325 = -155
-155 ÷ 325 = -0.47692307692307695
-0.47692307692307695 x 100 = -47.69%