85.46% is the change from 509 to 944
Calculation steps:
[( 944 - 509 ) ÷ 509] x 100 = 85.46%
Formula
Percentage change = [(944 - 509) / 509] x 100
Subtract the new number by the original number
944 - 509 = 435
435 ÷ 509 = 0.8546168958742633
0.8546168958742633 x 100 = 85.46%