-89.91% is the change from 961 to 97
Calculation steps:
[( 97 - 961 ) ÷ 961] x 100 = -89.91%
Formula
Percentage change = [(97 - 961) / 961] x 100
Subtract the new number by the original number
97 - 961 = -864
-864 ÷ 961 = -0.899063475546306
-0.899063475546306 x 100 = -89.91%