389.29% is the change from 28 to 137
Calculation steps:
[( 137 - 28 ) ÷ 28] x 100 = 389.29%
Formula
Percentage change = [(137 - 28) / 28] x 100
Subtract the new number by the original number
137 - 28 = 109
109 ÷ 28 = 3.892857142857143
3.892857142857143 x 100 = 389.29%