-49.45% is the change from 823 to 416
Calculation steps:
[( 416 - 823 ) ÷ 823] x 100 = -49.45%
Formula
Percentage change = [(416 - 823) / 823] x 100
Subtract the new number by the original number
416 - 823 = -407
-407 ÷ 823 = -0.4945321992709599
-0.4945321992709599 x 100 = -49.45%