74.19% is the change from 31 to 54
Calculation steps:
[( 54 - 31 ) ÷ 31] x 100 = 74.19%
Formula
Percentage change = [(54 - 31) / 31] x 100
Subtract the new number by the original number
54 - 31 = 23
23 ÷ 31 = 0.7419354838709677
0.7419354838709677 x 100 = 74.19%