-20.24% is the change from 988 to 788
Calculation steps:
[( 788 - 988 ) ÷ 988] x 100 = -20.24%
Formula
Percentage change = [(788 - 988) / 988] x 100
Subtract the new number by the original number
788 - 988 = -200
-200 ÷ 988 = -0.20242914979757085
-0.20242914979757085 x 100 = -20.24%