-15.09% is the change from 961 to 816
Calculation steps:
[( 816 - 961 ) ÷ 961] x 100 = -15.09%
Formula
Percentage change = [(816 - 961) / 961] x 100
Subtract the new number by the original number
816 - 961 = -145
-145 ÷ 961 = -0.15088449531737774
-0.15088449531737774 x 100 = -15.09%