-89.69% is the change from 524 to 54
Calculation steps:
[( 54 - 524 ) ÷ 524] x 100 = -89.69%
Formula
Percentage change = [(54 - 524) / 524] x 100
Subtract the new number by the original number
54 - 524 = -470
-470 ÷ 524 = -0.8969465648854962
-0.8969465648854962 x 100 = -89.69%