-46.31% is the change from 406 to 218
Calculation steps:
[( 218 - 406 ) ÷ 406] x 100 = -46.31%
Formula
Percentage change = [(218 - 406) / 406] x 100
Subtract the new number by the original number
218 - 406 = -188
-188 ÷ 406 = -0.4630541871921182
-0.4630541871921182 x 100 = -46.31%