35.19% is the change from 54 to 73
Calculation steps:
[( 73 - 54 ) ÷ 54] x 100 = 35.19%
Formula
Percentage change = [(73 - 54) / 54] x 100
Subtract the new number by the original number
73 - 54 = 19
19 ÷ 54 = 0.35185185185185186
0.35185185185185186 x 100 = 35.19%