-16.58% is the change from 959 to 800
Calculation steps:
[( 800 - 959 ) ÷ 959] x 100 = -16.58%
Formula
Percentage change = [(800 - 959) / 959] x 100
Subtract the new number by the original number
800 - 959 = -159
-159 ÷ 959 = -0.16579770594369134
-0.16579770594369134 x 100 = -16.58%