42.86% is the change from 56 to 80
Calculation steps:
[( 80 - 56 ) ÷ 56] x 100 = 42.86%
Formula
Percentage change = [(80 - 56) / 56] x 100
Subtract the new number by the original number
80 - 56 = 24
24 ÷ 56 = 0.42857142857142855
0.42857142857142855 x 100 = 42.86%