19.35% is the change from 31 to 37
Calculation steps:
[( 37 - 31 ) ÷ 31] x 100 = 19.35%
Formula
Percentage change = [(37 - 31) / 31] x 100
Subtract the new number by the original number
37 - 31 = 6
6 ÷ 31 = 0.1935483870967742
0.1935483870967742 x 100 = 19.35%