-77.78% is the change from 828 to 184
Calculation steps:
[( 184 - 828 ) ÷ 828] x 100 = -77.78%
Formula
Percentage change = [(184 - 828) / 828] x 100
Subtract the new number by the original number
184 - 828 = -644
-644 ÷ 828 = -0.7777777777777778
-0.7777777777777778 x 100 = -77.78%