-83.52% is the change from 971 to 160
Calculation steps:
[( 160 - 971 ) ÷ 971] x 100 = -83.52%
Formula
Percentage change = [(160 - 971) / 971] x 100
Subtract the new number by the original number
160 - 971 = -811
-811 ÷ 971 = -0.835221421215242
-0.835221421215242 x 100 = -83.52%