-55.72% is the change from 542 to 240
Calculation steps:
[( 240 - 542 ) ÷ 542] x 100 = -55.72%
Formula
Percentage change = [(240 - 542) / 542] x 100
Subtract the new number by the original number
240 - 542 = -302
-302 ÷ 542 = -0.5571955719557196
-0.5571955719557196 x 100 = -55.72%