-66.48% is the change from 540 to 181
Calculation steps:
[( 181 - 540 ) ÷ 540] x 100 = -66.48%
Formula
Percentage change = [(181 - 540) / 540] x 100
Subtract the new number by the original number
181 - 540 = -359
-359 ÷ 540 = -0.6648148148148149
-0.6648148148148149 x 100 = -66.48%