-84.03% is the change from 939 to 150
Calculation steps:
[( 150 - 939 ) ÷ 939] x 100 = -84.03%
Formula
Percentage change = [(150 - 939) / 939] x 100
Subtract the new number by the original number
150 - 939 = -789
-789 ÷ 939 = -0.8402555910543131
-0.8402555910543131 x 100 = -84.03%