-47.51% is the change from 823 to 432
Calculation steps:
[( 432 - 823 ) ÷ 823] x 100 = -47.51%
Formula
Percentage change = [(432 - 823) / 823] x 100
Subtract the new number by the original number
432 - 823 = -391
-391 ÷ 823 = -0.47509113001215064
-0.47509113001215064 x 100 = -47.51%