-89.9% is the change from 525 to 53
Calculation steps:
[( 53 - 525 ) ÷ 525] x 100 = -89.9%
Formula
Percentage change = [(53 - 525) / 525] x 100
Subtract the new number by the original number
53 - 525 = -472
-472 ÷ 525 = -0.8990476190476191
-0.8990476190476191 x 100 = -89.9%