-56.31% is the change from 499 to 218
Calculation steps:
[( 218 - 499 ) ÷ 499] x 100 = -56.31%
Formula
Percentage change = [(218 - 499) / 499] x 100
Subtract the new number by the original number
218 - 499 = -281
-281 ÷ 499 = -0.56312625250501
-0.56312625250501 x 100 = -56.31%