-58.22% is the change from 955 to 399
Calculation steps:
[( 399 - 955 ) ÷ 955] x 100 = -58.22%
Formula
Percentage change = [(399 - 955) / 955] x 100
Subtract the new number by the original number
399 - 955 = -556
-556 ÷ 955 = -0.5821989528795811
-0.5821989528795811 x 100 = -58.22%