-84.66% is the change from 939 to 144
Calculation steps:
[( 144 - 939 ) ÷ 939] x 100 = -84.66%
Formula
Percentage change = [(144 - 939) / 939] x 100
Subtract the new number by the original number
144 - 939 = -795
-795 ÷ 939 = -0.8466453674121406
-0.8466453674121406 x 100 = -84.66%