30.36% is the change from 56 to 73
Calculation steps:
[( 73 - 56 ) ÷ 56] x 100 = 30.36%
Formula
Percentage change = [(73 - 56) / 56] x 100
Subtract the new number by the original number
73 - 56 = 17
17 ÷ 56 = 0.30357142857142855
0.30357142857142855 x 100 = 30.36%