-55.39% is the change from 538 to 240
Calculation steps:
[( 240 - 538 ) ÷ 538] x 100 = -55.39%
Formula
Percentage change = [(240 - 538) / 538] x 100
Subtract the new number by the original number
240 - 538 = -298
-298 ÷ 538 = -0.5539033457249071
-0.5539033457249071 x 100 = -55.39%