-91.04% is the change from 201 to 18
Calculation steps:
[( 18 - 201 ) ÷ 201] x 100 = -91.04%
Formula
Percentage change = [(18 - 201) / 201] x 100
Subtract the new number by the original number
18 - 201 = -183
-183 ÷ 201 = -0.9104477611940298
-0.9104477611940298 x 100 = -91.04%