-83.77% is the change from 961 to 156
Calculation steps:
[( 156 - 961 ) ÷ 961] x 100 = -83.77%
Formula
Percentage change = [(156 - 961) / 961] x 100
Subtract the new number by the original number
156 - 961 = -805
-805 ÷ 961 = -0.8376690946930281
-0.8376690946930281 x 100 = -83.77%