-72% is the change from 825 to 231
Calculation steps:
[( 231 - 825 ) ÷ 825] x 100 = -72%
Formula
Percentage change = [(231 - 825) / 825] x 100
Subtract the new number by the original number
231 - 825 = -594
-594 ÷ 825 = -0.72
-0.72 x 100 = -72%
Example