-8.82% is the change from 34 to 31
Calculation steps:
[( 31 - 34 ) ÷ 34] x 100 = -8.82%
Formula
Percentage change = [(31 - 34) / 34] x 100
Subtract the new number by the original number
31 - 34 = -3
-3 ÷ 34 = -0.08823529411764706
-0.08823529411764706 x 100 = -8.82%