-95.17% is the change from 518 to 25
Calculation steps:
[( 25 - 518 ) ÷ 518] x 100 = -95.17%
Formula
Percentage change = [(25 - 518) / 518] x 100
Subtract the new number by the original number
25 - 518 = -493
-493 ÷ 518 = -0.9517374517374517
-0.9517374517374517 x 100 = -95.17%