-9.69% is the change from 918 to 829
Calculation steps:
[( 829 - 918 ) ÷ 918] x 100 = -9.69%
Formula
Percentage change = [(829 - 918) / 918] x 100
Subtract the new number by the original number
829 - 918 = -89
-89 ÷ 918 = -0.09694989106753812
-0.09694989106753812 x 100 = -9.69%