-25.34% is the change from 817 to 610
Calculation steps:
[( 610 - 817 ) ÷ 817] x 100 = -25.34%
Formula
Percentage change = [(610 - 817) / 817] x 100
Subtract the new number by the original number
610 - 817 = -207
-207 ÷ 817 = -0.2533659730722154
-0.2533659730722154 x 100 = -25.34%