-90.95% is the change from 961 to 87
Calculation steps:
[( 87 - 961 ) ÷ 961] x 100 = -90.95%
Formula
Percentage change = [(87 - 961) / 961] x 100
Subtract the new number by the original number
87 - 961 = -874
-874 ÷ 961 = -0.9094693028095734
-0.9094693028095734 x 100 = -90.95%