-10.89% is the change from 918 to 818
Calculation steps:
[( 818 - 918 ) ÷ 918] x 100 = -10.89%
Formula
Percentage change = [(818 - 918) / 918] x 100
Subtract the new number by the original number
818 - 918 = -100
-100 ÷ 918 = -0.10893246187363835
-0.10893246187363835 x 100 = -10.89%