-35.48% is the change from 961 to 620
Calculation steps:
[( 620 - 961 ) ÷ 961] x 100 = -35.48%
Formula
Percentage change = [(620 - 961) / 961] x 100
Subtract the new number by the original number
620 - 961 = -341
-341 ÷ 961 = -0.3548387096774194
-0.3548387096774194 x 100 = -35.48%