393.8% is the change from 129 to 637
Calculation steps:
[( 637 - 129 ) ÷ 129] x 100 = 393.8%
Formula
Percentage change = [(637 - 129) / 129] x 100
Subtract the new number by the original number
637 - 129 = 508
508 ÷ 129 = 3.937984496124031
3.937984496124031 x 100 = 393.8%