-64.71% is the change from 819 to 289
Calculation steps:
[( 289 - 819 ) ÷ 819] x 100 = -64.71%
Formula
Percentage change = [(289 - 819) / 819] x 100
Subtract the new number by the original number
289 - 819 = -530
-530 ÷ 819 = -0.6471306471306472
-0.6471306471306472 x 100 = -64.71%