-90.27% is the change from 185 to 18
Calculation steps:
[( 18 - 185 ) ÷ 185] x 100 = -90.27%
Formula
Percentage change = [(18 - 185) / 185] x 100
Subtract the new number by the original number
18 - 185 = -167
-167 ÷ 185 = -0.9027027027027027
-0.9027027027027027 x 100 = -90.27%