-3.92% is the change from 817 to 785
Calculation steps:
[( 785 - 817 ) ÷ 817] x 100 = -3.92%
Formula
Percentage change = [(785 - 817) / 817] x 100
Subtract the new number by the original number
785 - 817 = -32
-32 ÷ 817 = -0.03916768665850673
-0.03916768665850673 x 100 = -3.92%