-22.28% is the change from 817 to 635
Calculation steps:
[( 635 - 817 ) ÷ 817] x 100 = -22.28%
Formula
Percentage change = [(635 - 817) / 817] x 100
Subtract the new number by the original number
635 - 817 = -182
-182 ÷ 817 = -0.22276621787025705
-0.22276621787025705 x 100 = -22.28%