17.86% is the change from 56 to 66
Calculation steps:
[( 66 - 56 ) ÷ 56] x 100 = 17.86%
Formula
Percentage change = [(66 - 56) / 56] x 100
Subtract the new number by the original number
66 - 56 = 10
10 ÷ 56 = 0.17857142857142858
0.17857142857142858 x 100 = 17.86%