-9.32% is the change from 955 to 866
Calculation steps:
[( 866 - 955 ) ÷ 955] x 100 = -9.32%
Formula
Percentage change = [(866 - 955) / 955] x 100
Subtract the new number by the original number
866 - 955 = -89
-89 ÷ 955 = -0.09319371727748692
-0.09319371727748692 x 100 = -9.32%