-35.25% is the change from 817 to 529
Calculation steps:
[( 529 - 817 ) ÷ 817] x 100 = -35.25%
Formula
Percentage change = [(529 - 817) / 817] x 100
Subtract the new number by the original number
529 - 817 = -288
-288 ÷ 817 = -0.3525091799265606
-0.3525091799265606 x 100 = -35.25%