418.6% is the change from 129 to 669
Calculation steps:
[( 669 - 129 ) ÷ 129] x 100 = 418.6%
Formula
Percentage change = [(669 - 129) / 129] x 100
Subtract the new number by the original number
669 - 129 = 540
540 ÷ 129 = 4.186046511627907
4.186046511627907 x 100 = 418.6%