-35.38% is the change from 961 to 621
Calculation steps:
[( 621 - 961 ) ÷ 961] x 100 = -35.38%
Formula
Percentage change = [(621 - 961) / 961] x 100
Subtract the new number by the original number
621 - 961 = -340
-340 ÷ 961 = -0.3537981269510926
-0.3537981269510926 x 100 = -35.38%