-9.57% is the change from 575 to 520
Calculation steps:
[( 520 - 575 ) ÷ 575] x 100 = -9.57%
Formula
Percentage change = [(520 - 575) / 575] x 100
Subtract the new number by the original number
520 - 575 = -55
-55 ÷ 575 = -0.09565217391304348
-0.09565217391304348 x 100 = -9.57%