-20.12% is the change from 825 to 659
Calculation steps:
[( 659 - 825 ) ÷ 825] x 100 = -20.12%
Formula
Percentage change = [(659 - 825) / 825] x 100
Subtract the new number by the original number
659 - 825 = -166
-166 ÷ 825 = -0.2012121212121212
-0.2012121212121212 x 100 = -20.12%