-24.79% is the change from 823 to 619
Calculation steps:
[( 619 - 823 ) ÷ 823] x 100 = -24.79%
Formula
Percentage change = [(619 - 823) / 823] x 100
Subtract the new number by the original number
619 - 823 = -204
-204 ÷ 823 = -0.24787363304981774
-0.24787363304981774 x 100 = -24.79%