-23.82% is the change from 823 to 627
Calculation steps:
[( 627 - 823 ) ÷ 823] x 100 = -23.82%
Formula
Percentage change = [(627 - 823) / 823] x 100
Subtract the new number by the original number
627 - 823 = -196
-196 ÷ 823 = -0.23815309842041313
-0.23815309842041313 x 100 = -23.82%