503.88% is the change from 129 to 779
Calculation steps:
[( 779 - 129 ) ÷ 129] x 100 = 503.88%
Formula
Percentage change = [(779 - 129) / 129] x 100
Subtract the new number by the original number
779 - 129 = 650
650 ÷ 129 = 5.038759689922481
5.038759689922481 x 100 = 503.88%