-89.66% is the change from 522 to 54
Calculation steps:
[( 54 - 522 ) ÷ 522] x 100 = -89.66%
Formula
Percentage change = [(54 - 522) / 522] x 100
Subtract the new number by the original number
54 - 522 = -468
-468 ÷ 522 = -0.896551724137931
-0.896551724137931 x 100 = -89.66%