138.39% is the change from 409 to 975
Calculation steps:
[( 975 - 409 ) ÷ 409] x 100 = 138.39%
Formula
Percentage change = [(975 - 409) / 409] x 100
Subtract the new number by the original number
975 - 409 = 566
566 ÷ 409 = 1.3838630806845966
1.3838630806845966 x 100 = 138.39%