-90.16% is the change from 183 to 18
Calculation steps:
[( 18 - 183 ) ÷ 183] x 100 = -90.16%
Formula
Percentage change = [(18 - 183) / 183] x 100
Subtract the new number by the original number
18 - 183 = -165
-165 ÷ 183 = -0.9016393442622951
-0.9016393442622951 x 100 = -90.16%