55.38% is the change from 585 to 909
Calculation steps:
[( 909 - 585 ) ÷ 585] x 100 = 55.38%
Formula
Percentage change = [(909 - 585) / 585] x 100
Subtract the new number by the original number
909 - 585 = 324
324 ÷ 585 = 0.5538461538461539
0.5538461538461539 x 100 = 55.38%