285.71% is the change from 28 to 108
Calculation steps:
[( 108 - 28 ) ÷ 28] x 100 = 285.71%
Formula
Percentage change = [(108 - 28) / 28] x 100
Subtract the new number by the original number
108 - 28 = 80
80 ÷ 28 = 2.857142857142857
2.857142857142857 x 100 = 285.71%