-95.19% is the change from 520 to 25
Calculation steps:
[( 25 - 520 ) ÷ 520] x 100 = -95.19%
Formula
Percentage change = [(25 - 520) / 520] x 100
Subtract the new number by the original number
25 - 520 = -495
-495 ÷ 520 = -0.9519230769230769
-0.9519230769230769 x 100 = -95.19%