-23.18% is the change from 824 to 633
Calculation steps:
[( 633 - 824 ) ÷ 824] x 100 = -23.18%
Formula
Percentage change = [(633 - 824) / 824] x 100
Subtract the new number by the original number
633 - 824 = -191
-191 ÷ 824 = -0.23179611650485438
-0.23179611650485438 x 100 = -23.18%