-47.39% is the change from 823 to 433
Calculation steps:
[( 433 - 823 ) ÷ 823] x 100 = -47.39%
Formula
Percentage change = [(433 - 823) / 823] x 100
Subtract the new number by the original number
433 - 823 = -390
-390 ÷ 823 = -0.4738760631834751
-0.4738760631834751 x 100 = -47.39%