-43.3% is the change from 321 to 182
Calculation steps:
[( 182 - 321 ) ÷ 321] x 100 = -43.3%
Formula
Percentage change = [(182 - 321) / 321] x 100
Subtract the new number by the original number
182 - 321 = -139
-139 ÷ 321 = -0.43302180685358255
-0.43302180685358255 x 100 = -43.3%