-83.27% is the change from 825 to 138
Calculation steps:
[( 138 - 825 ) ÷ 825] x 100 = -83.27%
Formula
Percentage change = [(138 - 825) / 825] x 100
Subtract the new number by the original number
138 - 825 = -687
-687 ÷ 825 = -0.8327272727272728
-0.8327272727272728 x 100 = -83.27%