310.08% is the change from 129 to 529
Calculation steps:
[( 529 - 129 ) ÷ 129] x 100 = 310.08%
Formula
Percentage change = [(529 - 129) / 129] x 100
Subtract the new number by the original number
529 - 129 = 400
400 ÷ 129 = 3.10077519379845
3.10077519379845 x 100 = 310.08%