-11.03% is the change from 272 to 242
Calculation steps:
[( 242 - 272 ) ÷ 272] x 100 = -11.03%
Formula
Percentage change = [(242 - 272) / 272] x 100
Subtract the new number by the original number
242 - 272 = -30
-30 ÷ 272 = -0.11029411764705882
-0.11029411764705882 x 100 = -11.03%