-19.37% is the change from 955 to 770
Calculation steps:
[( 770 - 955 ) ÷ 955] x 100 = -19.37%
Formula
Percentage change = [(770 - 955) / 955] x 100
Subtract the new number by the original number
770 - 955 = -185
-185 ÷ 955 = -0.193717277486911
-0.193717277486911 x 100 = -19.37%