-82.11% is the change from 956 to 171
Calculation steps:
[( 171 - 956 ) ÷ 956] x 100 = -82.11%
Formula
Percentage change = [(171 - 956) / 956] x 100
Subtract the new number by the original number
171 - 956 = -785
-785 ÷ 956 = -0.8211297071129707
-0.8211297071129707 x 100 = -82.11%