-18.67% is the change from 959 to 780
Calculation steps:
[( 780 - 959 ) ÷ 959] x 100 = -18.67%
Formula
Percentage change = [(780 - 959) / 959] x 100
Subtract the new number by the original number
780 - 959 = -179
-179 ÷ 959 = -0.18665276329509906
-0.18665276329509906 x 100 = -18.67%