-32.72% is the change from 819 to 551
Calculation steps:
[( 551 - 819 ) ÷ 819] x 100 = -32.72%
Formula
Percentage change = [(551 - 819) / 819] x 100
Subtract the new number by the original number
551 - 819 = -268
-268 ÷ 819 = -0.32722832722832723
-0.32722832722832723 x 100 = -32.72%