-80.76% is the change from 889 to 171
Calculation steps:
[( 171 - 889 ) ÷ 889] x 100 = -80.76%
Formula
Percentage change = [(171 - 889) / 889] x 100
Subtract the new number by the original number
171 - 889 = -718
-718 ÷ 889 = -0.8076490438695163
-0.8076490438695163 x 100 = -80.76%