-55.19% is the change from 540 to 242
Calculation steps:
[( 242 - 540 ) ÷ 540] x 100 = -55.19%
Formula
Percentage change = [(242 - 540) / 540] x 100
Subtract the new number by the original number
242 - 540 = -298
-298 ÷ 540 = -0.5518518518518518
-0.5518518518518518 x 100 = -55.19%