-54.52% is the change from 321 to 146
Calculation steps:
[( 146 - 321 ) ÷ 321] x 100 = -54.52%
Formula
Percentage change = [(146 - 321) / 321] x 100
Subtract the new number by the original number
146 - 321 = -175
-175 ÷ 321 = -0.5451713395638629
-0.5451713395638629 x 100 = -54.52%