-49.82% is the change from 542 to 272
Calculation steps:
[( 272 - 542 ) ÷ 542] x 100 = -49.82%
Formula
Percentage change = [(272 - 542) / 542] x 100
Subtract the new number by the original number
272 - 542 = -270
-270 ÷ 542 = -0.4981549815498155
-0.4981549815498155 x 100 = -49.82%