-40.69% is the change from 961 to 570
Calculation steps:
[( 570 - 961 ) ÷ 961] x 100 = -40.69%
Formula
Percentage change = [(570 - 961) / 961] x 100
Subtract the new number by the original number
570 - 961 = -391
-391 ÷ 961 = -0.4068678459937565
-0.4068678459937565 x 100 = -40.69%