-14.13% is the change from 828 to 711
Calculation steps:
[( 711 - 828 ) ÷ 828] x 100 = -14.13%
Formula
Percentage change = [(711 - 828) / 828] x 100
Subtract the new number by the original number
711 - 828 = -117
-117 ÷ 828 = -0.14130434782608695
-0.14130434782608695 x 100 = -14.13%