20.05% is the change from 429 to 515
Calculation steps:
[( 515 - 429 ) ÷ 429] x 100 = 20.05%
Formula
Percentage change = [(515 - 429) / 429] x 100
Subtract the new number by the original number
515 - 429 = 86
86 ÷ 429 = 0.20046620046620048
0.20046620046620048 x 100 = 20.05%