-25.03% is the change from 823 to 617
Calculation steps:
[( 617 - 823 ) ÷ 823] x 100 = -25.03%
Formula
Percentage change = [(617 - 823) / 823] x 100
Subtract the new number by the original number
617 - 823 = -206
-206 ÷ 823 = -0.2503037667071689
-0.2503037667071689 x 100 = -25.03%