-98.86% is the change from 961 to 11
Calculation steps:
[( 11 - 961 ) ÷ 961] x 100 = -98.86%
Formula
Percentage change = [(11 - 961) / 961] x 100
Subtract the new number by the original number
11 - 961 = -950
-950 ÷ 961 = -0.9885535900104059
-0.9885535900104059 x 100 = -98.86%