-22.62% is the change from 818 to 633
Calculation steps:
[( 633 - 818 ) ÷ 818] x 100 = -22.62%
Formula
Percentage change = [(633 - 818) / 818] x 100
Subtract the new number by the original number
633 - 818 = -185
-185 ÷ 818 = -0.22616136919315402
-0.22616136919315402 x 100 = -22.62%