-52.65% is the change from 321 to 152
Calculation steps:
[( 152 - 321 ) ÷ 321] x 100 = -52.65%
Formula
Percentage change = [(152 - 321) / 321] x 100
Subtract the new number by the original number
152 - 321 = -169
-169 ÷ 321 = -0.5264797507788161
-0.5264797507788161 x 100 = -52.65%