-7.15% is the change from 825 to 766
Calculation steps:
[( 766 - 825 ) ÷ 825] x 100 = -7.15%
Formula
Percentage change = [(766 - 825) / 825] x 100
Subtract the new number by the original number
766 - 825 = -59
-59 ÷ 825 = -0.07151515151515152
-0.07151515151515152 x 100 = -7.15%