-73.82% is the change from 550 to 144
Calculation steps:
[( 144 - 550 ) ÷ 550] x 100 = -73.82%
Formula
Percentage change = [(144 - 550) / 550] x 100
Subtract the new number by the original number
144 - 550 = -406
-406 ÷ 550 = -0.7381818181818182
-0.7381818181818182 x 100 = -73.82%