-20.08% is the change from 239 to 191
Calculation steps:
[( 191 - 239 ) ÷ 239] x 100 = -20.08%
Formula
Percentage change = [(191 - 239) / 239] x 100
Subtract the new number by the original number
191 - 239 = -48
-48 ÷ 239 = -0.200836820083682
-0.200836820083682 x 100 = -20.08%