-77.66% is the change from 998 to 223
Calculation steps:
[( 223 - 998 ) ÷ 998] x 100 = -77.66%
Formula
Percentage change = [(223 - 998) / 998] x 100
Subtract the new number by the original number
223 - 998 = -775
-775 ÷ 998 = -0.7765531062124249
-0.7765531062124249 x 100 = -77.66%