-47.38% is the change from 325 to 171
Calculation steps:
[( 171 - 325 ) ÷ 325] x 100 = -47.38%
Formula
Percentage change = [(171 - 325) / 325] x 100
Subtract the new number by the original number
171 - 325 = -154
-154 ÷ 325 = -0.47384615384615386
-0.47384615384615386 x 100 = -47.38%