-16.87% is the change from 996 to 828
Calculation steps:
[( 828 - 996 ) ÷ 996] x 100 = -16.87%
Formula
Percentage change = [(828 - 996) / 996] x 100
Subtract the new number by the original number
828 - 996 = -168
-168 ÷ 996 = -0.1686746987951807
-0.1686746987951807 x 100 = -16.87%