230.77% is the change from 39 to 129
Calculation steps:
[( 129 - 39 ) ÷ 39] x 100 = 230.77%
Formula
Percentage change = [(129 - 39) / 39] x 100
Subtract the new number by the original number
129 - 39 = 90
90 ÷ 39 = 2.3076923076923075
2.3076923076923075 x 100 = 230.77%