-8.93% is the change from 918 to 836
Calculation steps:
[( 836 - 918 ) ÷ 918] x 100 = -8.93%
Formula
Percentage change = [(836 - 918) / 918] x 100
Subtract the new number by the original number
836 - 918 = -82
-82 ÷ 918 = -0.08932461873638345
-0.08932461873638345 x 100 = -8.93%