-44.44% is the change from 819 to 455
Calculation steps:
[( 455 - 819 ) ÷ 819] x 100 = -44.44%
Formula
Percentage change = [(455 - 819) / 819] x 100
Subtract the new number by the original number
455 - 819 = -364
-364 ÷ 819 = -0.4444444444444444
-0.4444444444444444 x 100 = -44.44%