-44.59% is the change from 823 to 456
Calculation steps:
[( 456 - 823 ) ÷ 823] x 100 = -44.59%
Formula
Percentage change = [(456 - 823) / 823] x 100
Subtract the new number by the original number
456 - 823 = -367
-367 ÷ 823 = -0.4459295261239368
-0.4459295261239368 x 100 = -44.59%