-24.58% is the change from 826 to 623
Calculation steps:
[( 623 - 826 ) ÷ 826] x 100 = -24.58%
Formula
Percentage change = [(623 - 826) / 826] x 100
Subtract the new number by the original number
623 - 826 = -203
-203 ÷ 826 = -0.2457627118644068
-0.2457627118644068 x 100 = -24.58%