-52.6% is the change from 327 to 155
Calculation steps:
[( 155 - 327 ) ÷ 327] x 100 = -52.6%
Formula
Percentage change = [(155 - 327) / 327] x 100
Subtract the new number by the original number
155 - 327 = -172
-172 ÷ 327 = -0.5259938837920489
-0.5259938837920489 x 100 = -52.6%