-82.56% is the change from 986 to 172
Calculation steps:
[( 172 - 986 ) ÷ 986] x 100 = -82.56%
Formula
Percentage change = [(172 - 986) / 986] x 100
Subtract the new number by the original number
172 - 986 = -814
-814 ÷ 986 = -0.8255578093306288
-0.8255578093306288 x 100 = -82.56%