17.86% is the change from 28 to 33
Calculation steps:
[( 33 - 28 ) ÷ 28] x 100 = 17.86%
Formula
Percentage change = [(33 - 28) / 28] x 100
Subtract the new number by the original number
33 - 28 = 5
5 ÷ 28 = 0.17857142857142858
0.17857142857142858 x 100 = 17.86%