-18.58% is the change from 958 to 780
Calculation steps:
[( 780 - 958 ) ÷ 958] x 100 = -18.58%
Formula
Percentage change = [(780 - 958) / 958] x 100
Subtract the new number by the original number
780 - 958 = -178
-178 ÷ 958 = -0.18580375782881003
-0.18580375782881003 x 100 = -18.58%