-89.5% is the change from 181 to 19
Calculation steps:
[( 19 - 181 ) ÷ 181] x 100 = -89.5%
Formula
Percentage change = [(19 - 181) / 181] x 100
Subtract the new number by the original number
19 - 181 = -162
-162 ÷ 181 = -0.8950276243093923
-0.8950276243093923 x 100 = -89.5%