-19.45% is the change from 550 to 443
Calculation steps:
[( 443 - 550 ) ÷ 550] x 100 = -19.45%
Formula
Percentage change = [(443 - 550) / 550] x 100
Subtract the new number by the original number
443 - 550 = -107
-107 ÷ 550 = -0.19454545454545455
-0.19454545454545455 x 100 = -19.45%