-23.21% is the change from 823 to 632
Calculation steps:
[( 632 - 823 ) ÷ 823] x 100 = -23.21%
Formula
Percentage change = [(632 - 823) / 823] x 100
Subtract the new number by the original number
632 - 823 = -191
-191 ÷ 823 = -0.23207776427703525
-0.23207776427703525 x 100 = -23.21%