139.36% is the change from 409 to 979
Calculation steps:
[( 979 - 409 ) ÷ 409] x 100 = 139.36%
Formula
Percentage change = [(979 - 409) / 409] x 100
Subtract the new number by the original number
979 - 409 = 570
570 ÷ 409 = 1.3936430317848412
1.3936430317848412 x 100 = 139.36%