-34.92% is the change from 819 to 533
Calculation steps:
[( 533 - 819 ) ÷ 819] x 100 = -34.92%
Formula
Percentage change = [(533 - 819) / 819] x 100
Subtract the new number by the original number
533 - 819 = -286
-286 ÷ 819 = -0.3492063492063492
-0.3492063492063492 x 100 = -34.92%