-90.61% is the change from 575 to 54
Calculation steps:
[( 54 - 575 ) ÷ 575] x 100 = -90.61%
Formula
Percentage change = [(54 - 575) / 575] x 100
Subtract the new number by the original number
54 - 575 = -521
-521 ÷ 575 = -0.9060869565217391
-0.9060869565217391 x 100 = -90.61%