-11.72% is the change from 239 to 211
Calculation steps:
[( 211 - 239 ) ÷ 239] x 100 = -11.72%
Formula
Percentage change = [(211 - 239) / 239] x 100
Subtract the new number by the original number
211 - 239 = -28
-28 ÷ 239 = -0.11715481171548117
-0.11715481171548117 x 100 = -11.72%