-24.48% is the change from 817 to 617
Calculation steps:
[( 617 - 817 ) ÷ 817] x 100 = -24.48%
Formula
Percentage change = [(617 - 817) / 817] x 100
Subtract the new number by the original number
617 - 817 = -200
-200 ÷ 817 = -0.24479804161566707
-0.24479804161566707 x 100 = -24.48%