-82.09% is the change from 955 to 171
Calculation steps:
[( 171 - 955 ) ÷ 955] x 100 = -82.09%
Formula
Percentage change = [(171 - 955) / 955] x 100
Subtract the new number by the original number
171 - 955 = -784
-784 ÷ 955 = -0.8209424083769633
-0.8209424083769633 x 100 = -82.09%