-2.02% is the change from 988 to 968
Calculation steps:
[( 968 - 988 ) ÷ 988] x 100 = -2.02%
Formula
Percentage change = [(968 - 988) / 988] x 100
Subtract the new number by the original number
968 - 988 = -20
-20 ÷ 988 = -0.020242914979757085
-0.020242914979757085 x 100 = -2.02%