-89.78% is the change from 939 to 96
Calculation steps:
[( 96 - 939 ) ÷ 939] x 100 = -89.78%
Formula
Percentage change = [(96 - 939) / 939] x 100
Subtract the new number by the original number
96 - 939 = -843
-843 ÷ 939 = -0.8977635782747604
-0.8977635782747604 x 100 = -89.78%