-81.65% is the change from 981 to 180
Calculation steps:
[( 180 - 981 ) ÷ 981] x 100 = -81.65%
Formula
Percentage change = [(180 - 981) / 981] x 100
Subtract the new number by the original number
180 - 981 = -801
-801 ÷ 981 = -0.8165137614678899
-0.8165137614678899 x 100 = -81.65%