-14% is the change from 950 to 817
Calculation steps:
[( 817 - 950 ) ÷ 950] x 100 = -14%
Formula
Percentage change = [(817 - 950) / 950] x 100
Subtract the new number by the original number
817 - 950 = -133
-133 ÷ 950 = -0.14
-0.14 x 100 = -14%
Example