-34.03% is the change from 961 to 634
Calculation steps:
[( 634 - 961 ) ÷ 961] x 100 = -34.03%
Formula
Percentage change = [(634 - 961) / 961] x 100
Subtract the new number by the original number
634 - 961 = -327
-327 ÷ 961 = -0.34027055150884494
-0.34027055150884494 x 100 = -34.03%