-79.5% is the change from 239 to 49
Calculation steps:
[( 49 - 239 ) ÷ 239] x 100 = -79.5%
Formula
Percentage change = [(49 - 239) / 239] x 100
Subtract the new number by the original number
49 - 239 = -190
-190 ÷ 239 = -0.7949790794979079
-0.7949790794979079 x 100 = -79.5%