-49.54% is the change from 325 to 164
Calculation steps:
[( 164 - 325 ) ÷ 325] x 100 = -49.54%
Formula
Percentage change = [(164 - 325) / 325] x 100
Subtract the new number by the original number
164 - 325 = -161
-161 ÷ 325 = -0.49538461538461537
-0.49538461538461537 x 100 = -49.54%