-81.66% is the change from 987 to 181
Calculation steps:
[( 181 - 987 ) ÷ 987] x 100 = -81.66%
Formula
Percentage change = [(181 - 987) / 987] x 100
Subtract the new number by the original number
181 - 987 = -806
-806 ÷ 987 = -0.8166160081053698
-0.8166160081053698 x 100 = -81.66%