-17.23% is the change from 998 to 826
Calculation steps:
[( 826 - 998 ) ÷ 998] x 100 = -17.23%
Formula
Percentage change = [(826 - 998) / 998] x 100
Subtract the new number by the original number
826 - 998 = -172
-172 ÷ 998 = -0.17234468937875752
-0.17234468937875752 x 100 = -17.23%