-16.08% is the change from 939 to 788
Calculation steps:
[( 788 - 939 ) ÷ 939] x 100 = -16.08%
Formula
Percentage change = [(788 - 939) / 939] x 100
Subtract the new number by the original number
788 - 939 = -151
-151 ÷ 939 = -0.16080937167199147
-0.16080937167199147 x 100 = -16.08%