-24.42% is the change from 823 to 622
Calculation steps:
[( 622 - 823 ) ÷ 823] x 100 = -24.42%
Formula
Percentage change = [(622 - 823) / 823] x 100
Subtract the new number by the original number
622 - 823 = -201
-201 ÷ 823 = -0.244228432563791
-0.244228432563791 x 100 = -24.42%