-52.44% is the change from 328 to 156
Calculation steps:
[( 156 - 328 ) ÷ 328] x 100 = -52.44%
Formula
Percentage change = [(156 - 328) / 328] x 100
Subtract the new number by the original number
156 - 328 = -172
-172 ÷ 328 = -0.524390243902439
-0.524390243902439 x 100 = -52.44%