-89.77% is the change from 518 to 53
Calculation steps:
[( 53 - 518 ) ÷ 518] x 100 = -89.77%
Formula
Percentage change = [(53 - 518) / 518] x 100
Subtract the new number by the original number
53 - 518 = -465
-465 ÷ 518 = -0.8976833976833977
-0.8976833976833977 x 100 = -89.77%