-84.13% is the change from 939 to 149
Calculation steps:
[( 149 - 939 ) ÷ 939] x 100 = -84.13%
Formula
Percentage change = [(149 - 939) / 939] x 100
Subtract the new number by the original number
149 - 939 = -790
-790 ÷ 939 = -0.8413205537806177
-0.8413205537806177 x 100 = -84.13%