44.5% is the change from 609 to 880
Calculation steps:
[( 880 - 609 ) ÷ 609] x 100 = 44.5%
Formula
Percentage change = [(880 - 609) / 609] x 100
Subtract the new number by the original number
880 - 609 = 271
271 ÷ 609 = 0.44499178981937604
0.44499178981937604 x 100 = 44.5%