-8.3% is the change from 988 to 906
Calculation steps:
[( 906 - 988 ) ÷ 988] x 100 = -8.3%
Formula
Percentage change = [(906 - 988) / 988] x 100
Subtract the new number by the original number
906 - 988 = -82
-82 ÷ 988 = -0.08299595141700405
-0.08299595141700405 x 100 = -8.3%