137.9% is the change from 409 to 973
Calculation steps:
[( 973 - 409 ) ÷ 409] x 100 = 137.9%
Formula
Percentage change = [(973 - 409) / 409] x 100
Subtract the new number by the original number
973 - 409 = 564
564 ÷ 409 = 1.3789731051344742
1.3789731051344742 x 100 = 137.9%