-4.35% is the change from 575 to 550
Calculation steps:
[( 550 - 575 ) ÷ 575] x 100 = -4.35%
Formula
Percentage change = [(550 - 575) / 575] x 100
Subtract the new number by the original number
550 - 575 = -25
-25 ÷ 575 = -0.043478260869565216
-0.043478260869565216 x 100 = -4.35%