-5.22% is the change from 575 to 545
Calculation steps:
[( 545 - 575 ) ÷ 575] x 100 = -5.22%
Formula
Percentage change = [(545 - 575) / 575] x 100
Subtract the new number by the original number
545 - 575 = -30
-30 ÷ 575 = -0.05217391304347826
-0.05217391304347826 x 100 = -5.22%