-80.88% is the change from 889 to 170
Calculation steps:
[( 170 - 889 ) ÷ 889] x 100 = -80.88%
Formula
Percentage change = [(170 - 889) / 889] x 100
Subtract the new number by the original number
170 - 889 = -719
-719 ÷ 889 = -0.8087739032620922
-0.8087739032620922 x 100 = -80.88%