-77.9% is the change from 828 to 183
Calculation steps:
[( 183 - 828 ) ÷ 828] x 100 = -77.9%
Formula
Percentage change = [(183 - 828) / 828] x 100
Subtract the new number by the original number
183 - 828 = -645
-645 ÷ 828 = -0.7789855072463768
-0.7789855072463768 x 100 = -77.9%