-65.69% is the change from 819 to 281
Calculation steps:
[( 281 - 819 ) ÷ 819] x 100 = -65.69%
Formula
Percentage change = [(281 - 819) / 819] x 100
Subtract the new number by the original number
281 - 819 = -538
-538 ÷ 819 = -0.6568986568986569
-0.6568986568986569 x 100 = -65.69%