-33.09% is the change from 550 to 368
Calculation steps:
[( 368 - 550 ) ÷ 550] x 100 = -33.09%
Formula
Percentage change = [(368 - 550) / 550] x 100
Subtract the new number by the original number
368 - 550 = -182
-182 ÷ 550 = -0.33090909090909093
-0.33090909090909093 x 100 = -33.09%