-25.39% is the change from 827 to 617
Calculation steps:
[( 617 - 827 ) ÷ 827] x 100 = -25.39%
Formula
Percentage change = [(617 - 827) / 827] x 100
Subtract the new number by the original number
617 - 827 = -210
-210 ÷ 827 = -0.2539298669891173
-0.2539298669891173 x 100 = -25.39%