144.5% is the change from 409 to 1000
Calculation steps:
[( 1000 - 409 ) ÷ 409] x 100 = 144.5%
Formula
Percentage change = [(1000 - 409) / 409] x 100
Subtract the new number by the original number
1000 - 409 = 591
591 ÷ 409 = 1.4449877750611246
1.4449877750611246 x 100 = 144.5%