-52.74% is the change from 328 to 155
Calculation steps:
[( 155 - 328 ) ÷ 328] x 100 = -52.74%
Formula
Percentage change = [(155 - 328) / 328] x 100
Subtract the new number by the original number
155 - 328 = -173
-173 ÷ 328 = -0.5274390243902439
-0.5274390243902439 x 100 = -52.74%