-18.1% is the change from 939 to 769
Calculation steps:
[( 769 - 939 ) ÷ 939] x 100 = -18.1%
Formula
Percentage change = [(769 - 939) / 939] x 100
Subtract the new number by the original number
769 - 939 = -170
-170 ÷ 939 = -0.1810436634717785
-0.1810436634717785 x 100 = -18.1%