-10.7% is the change from 271 to 242
Calculation steps:
[( 242 - 271 ) ÷ 271] x 100 = -10.7%
Formula
Percentage change = [(242 - 271) / 271] x 100
Subtract the new number by the original number
242 - 271 = -29
-29 ÷ 271 = -0.1070110701107011
-0.1070110701107011 x 100 = -10.7%