-98.04% is the change from 918 to 18
Calculation steps:
[( 18 - 918 ) ÷ 918] x 100 = -98.04%
Formula
Percentage change = [(18 - 918) / 918] x 100
Subtract the new number by the original number
18 - 918 = -900
-900 ÷ 918 = -0.9803921568627451
-0.9803921568627451 x 100 = -98.04%