-42.68% is the change from 321 to 184
Calculation steps:
[( 184 - 321 ) ÷ 321] x 100 = -42.68%
Formula
Percentage change = [(184 - 321) / 321] x 100
Subtract the new number by the original number
184 - 321 = -137
-137 ÷ 321 = -0.42679127725856697
-0.42679127725856697 x 100 = -42.68%