-79.15% is the change from 825 to 172
Calculation steps:
[( 172 - 825 ) ÷ 825] x 100 = -79.15%
Formula
Percentage change = [(172 - 825) / 825] x 100
Subtract the new number by the original number
172 - 825 = -653
-653 ÷ 825 = -0.7915151515151515
-0.7915151515151515 x 100 = -79.15%