-90.55% is the change from 201 to 19
Calculation steps:
[( 19 - 201 ) ÷ 201] x 100 = -90.55%
Formula
Percentage change = [(19 - 201) / 201] x 100
Subtract the new number by the original number
19 - 201 = -182
-182 ÷ 201 = -0.9054726368159204
-0.9054726368159204 x 100 = -90.55%