-80.58% is the change from 891 to 173
Calculation steps:
[( 173 - 891 ) ÷ 891] x 100 = -80.58%
Formula
Percentage change = [(173 - 891) / 891] x 100
Subtract the new number by the original number
173 - 891 = -718
-718 ÷ 891 = -0.8058361391694725
-0.8058361391694725 x 100 = -80.58%