26.79% is the change from 56 to 71
Calculation steps:
[( 71 - 56 ) ÷ 56] x 100 = 26.79%
Formula
Percentage change = [(71 - 56) / 56] x 100
Subtract the new number by the original number
71 - 56 = 15
15 ÷ 56 = 0.26785714285714285
0.26785714285714285 x 100 = 26.79%