12.31% is the change from 585 to 657
Calculation steps:
[( 657 - 585 ) ÷ 585] x 100 = 12.31%
Formula
Percentage change = [(657 - 585) / 585] x 100
Subtract the new number by the original number
657 - 585 = 72
72 ÷ 585 = 0.12307692307692308
0.12307692307692308 x 100 = 12.31%