-46.89% is the change from 819 to 435
Calculation steps:
[( 435 - 819 ) ÷ 819] x 100 = -46.89%
Formula
Percentage change = [(435 - 819) / 819] x 100
Subtract the new number by the original number
435 - 819 = -384
-384 ÷ 819 = -0.46886446886446886
-0.46886446886446886 x 100 = -46.89%