-56.73% is the change from 550 to 238
Calculation steps:
[( 238 - 550 ) ÷ 550] x 100 = -56.73%
Formula
Percentage change = [(238 - 550) / 550] x 100
Subtract the new number by the original number
238 - 550 = -312
-312 ÷ 550 = -0.5672727272727273
-0.5672727272727273 x 100 = -56.73%