-83.79% is the change from 956 to 155
Calculation steps:
[( 155 - 956 ) ÷ 956] x 100 = -83.79%
Formula
Percentage change = [(155 - 956) / 956] x 100
Subtract the new number by the original number
155 - 956 = -801
-801 ÷ 956 = -0.8378661087866108
-0.8378661087866108 x 100 = -83.79%