28.57% is the change from 28 to 36
Calculation steps:
[( 36 - 28 ) ÷ 28] x 100 = 28.57%
Formula
Percentage change = [(36 - 28) / 28] x 100
Subtract the new number by the original number
36 - 28 = 8
8 ÷ 28 = 0.2857142857142857
0.2857142857142857 x 100 = 28.57%