53.57% is the change from 56 to 86
Calculation steps:
[( 86 - 56 ) ÷ 56] x 100 = 53.57%
Formula
Percentage change = [(86 - 56) / 56] x 100
Subtract the new number by the original number
86 - 56 = 30
30 ÷ 56 = 0.5357142857142857
0.5357142857142857 x 100 = 53.57%