-44.09% is the change from 821 to 459
Calculation steps:
[( 459 - 821 ) ÷ 821] x 100 = -44.09%
Formula
Percentage change = [(459 - 821) / 821] x 100
Subtract the new number by the original number
459 - 821 = -362
-362 ÷ 821 = -0.440925700365408
-0.440925700365408 x 100 = -44.09%