-12% is the change from 575 to 506
Calculation steps:
[( 506 - 575 ) ÷ 575] x 100 = -12%
Formula
Percentage change = [(506 - 575) / 575] x 100
Subtract the new number by the original number
506 - 575 = -69
-69 ÷ 575 = -0.12
-0.12 x 100 = -12%
Example