-71.17% is the change from 829 to 239
Calculation steps:
[( 239 - 829 ) ÷ 829] x 100 = -71.17%
Formula
Percentage change = [(239 - 829) / 829] x 100
Subtract the new number by the original number
239 - 829 = -590
-590 ÷ 829 = -0.7117008443908324
-0.7117008443908324 x 100 = -71.17%