-78.62% is the change from 828 to 177
Calculation steps:
[( 177 - 828 ) ÷ 828] x 100 = -78.62%
Formula
Percentage change = [(177 - 828) / 828] x 100
Subtract the new number by the original number
177 - 828 = -651
-651 ÷ 828 = -0.7862318840579711
-0.7862318840579711 x 100 = -78.62%