380.62% is the change from 129 to 620
Calculation steps:
[( 620 - 129 ) ÷ 129] x 100 = 380.62%
Formula
Percentage change = [(620 - 129) / 129] x 100
Subtract the new number by the original number
620 - 129 = 491
491 ÷ 129 = 3.806201550387597
3.806201550387597 x 100 = 380.62%