-55.42% is the change from 323 to 144
Calculation steps:
[( 144 - 323 ) ÷ 323] x 100 = -55.42%
Formula
Percentage change = [(144 - 323) / 323] x 100
Subtract the new number by the original number
144 - 323 = -179
-179 ÷ 323 = -0.5541795665634675
-0.5541795665634675 x 100 = -55.42%