-33.92% is the change from 961 to 635
Calculation steps:
[( 635 - 961 ) ÷ 961] x 100 = -33.92%
Formula
Percentage change = [(635 - 961) / 961] x 100
Subtract the new number by the original number
635 - 961 = -326
-326 ÷ 961 = -0.3392299687825182
-0.3392299687825182 x 100 = -33.92%