-18.62% is the change from 956 to 778
Calculation steps:
[( 778 - 956 ) ÷ 956] x 100 = -18.62%
Formula
Percentage change = [(778 - 956) / 956] x 100
Subtract the new number by the original number
778 - 956 = -178
-178 ÷ 956 = -0.18619246861924685
-0.18619246861924685 x 100 = -18.62%