-2.94% is the change from 918 to 891
Calculation steps:
[( 891 - 918 ) ÷ 918] x 100 = -2.94%
Formula
Percentage change = [(891 - 918) / 918] x 100
Subtract the new number by the original number
891 - 918 = -27
-27 ÷ 918 = -0.029411764705882353
-0.029411764705882353 x 100 = -2.94%