-34.13% is the change from 961 to 633
Calculation steps:
[( 633 - 961 ) ÷ 961] x 100 = -34.13%
Formula
Percentage change = [(633 - 961) / 961] x 100
Subtract the new number by the original number
633 - 961 = -328
-328 ÷ 961 = -0.3413111342351717
-0.3413111342351717 x 100 = -34.13%