-21.04% is the change from 998 to 788
Calculation steps:
[( 788 - 998 ) ÷ 998] x 100 = -21.04%
Formula
Percentage change = [(788 - 998) / 998] x 100
Subtract the new number by the original number
788 - 998 = -210
-210 ÷ 998 = -0.21042084168336672
-0.21042084168336672 x 100 = -21.04%