-15.61% is the change from 961 to 811
Calculation steps:
[( 811 - 961 ) ÷ 961] x 100 = -15.61%
Formula
Percentage change = [(811 - 961) / 961] x 100
Subtract the new number by the original number
811 - 961 = -150
-150 ÷ 961 = -0.15608740894901144
-0.15608740894901144 x 100 = -15.61%