-33.58% is the change from 956 to 635
Calculation steps:
[( 635 - 956 ) ÷ 956] x 100 = -33.58%
Formula
Percentage change = [(635 - 956) / 956] x 100
Subtract the new number by the original number
635 - 956 = -321
-321 ÷ 956 = -0.33577405857740583
-0.33577405857740583 x 100 = -33.58%