-26.19% is the change from 817 to 603
Calculation steps:
[( 603 - 817 ) ÷ 817] x 100 = -26.19%
Formula
Percentage change = [(603 - 817) / 817] x 100
Subtract the new number by the original number
603 - 817 = -214
-214 ÷ 817 = -0.26193390452876375
-0.26193390452876375 x 100 = -26.19%