-20.87% is the change from 575 to 455
Calculation steps:
[( 455 - 575 ) ÷ 575] x 100 = -20.87%
Formula
Percentage change = [(455 - 575) / 575] x 100
Subtract the new number by the original number
455 - 575 = -120
-120 ÷ 575 = -0.20869565217391303
-0.20869565217391303 x 100 = -20.87%