-71% is the change from 824 to 239
Calculation steps:
[( 239 - 824 ) ÷ 824] x 100 = -71%
Formula
Percentage change = [(239 - 824) / 824] x 100
Subtract the new number by the original number
239 - 824 = -585
-585 ÷ 824 = -0.7099514563106796
-0.7099514563106796 x 100 = -71%