-16.19% is the change from 939 to 787
Calculation steps:
[( 787 - 939 ) ÷ 939] x 100 = -16.19%
Formula
Percentage change = [(787 - 939) / 939] x 100
Subtract the new number by the original number
787 - 939 = -152
-152 ÷ 939 = -0.16187433439829607
-0.16187433439829607 x 100 = -16.19%