-72.22% is the change from 540 to 150
Calculation steps:
[( 150 - 540 ) ÷ 540] x 100 = -72.22%
Formula
Percentage change = [(150 - 540) / 540] x 100
Subtract the new number by the original number
150 - 540 = -390
-390 ÷ 540 = -0.7222222222222222
-0.7222222222222222 x 100 = -72.22%