-89.53% is the change from 516 to 54
Calculation steps:
[( 54 - 516 ) ÷ 516] x 100 = -89.53%
Formula
Percentage change = [(54 - 516) / 516] x 100
Subtract the new number by the original number
54 - 516 = -462
-462 ÷ 516 = -0.8953488372093024
-0.8953488372093024 x 100 = -89.53%