-6.16% is the change from 828 to 777
Calculation steps:
[( 777 - 828 ) ÷ 828] x 100 = -6.16%
Formula
Percentage change = [(777 - 828) / 828] x 100
Subtract the new number by the original number
777 - 828 = -51
-51 ÷ 828 = -0.06159420289855073
-0.06159420289855073 x 100 = -6.16%