-7.49% is the change from 828 to 766
Calculation steps:
[( 766 - 828 ) ÷ 828] x 100 = -7.49%
Formula
Percentage change = [(766 - 828) / 828] x 100
Subtract the new number by the original number
766 - 828 = -62
-62 ÷ 828 = -0.0748792270531401
-0.0748792270531401 x 100 = -7.49%